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DAAT · LEVEL 4 — HALAKHA LE-MA'ASSE / PSAK

שולחן ערוך · יורה דעה

Siman 117 — Not Trading in Forbidden Food (Sechora be-Issur): the Chelev Exception, the Incidental Case, and Rabbinic Prohibitions — Practical psika
סימן קי״ז · הלכה למעשה
שלא לעשות סחורה מדבר איסור
פסק המחבר והרמ״א · הכרעת נושאי הכלים · פסיקת הספרדים והאשכנזים בזמננו
⚖️ פסק הלכה ולמעשה ⚖️
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Halakha le-ma'asse — the practical psika

From the ruling of the Mehaber and the Rama, to the arbitration of the Taz, the Shach, the Pri Hadash
and the Pitchei Teshuva, all the way to the contemporary Sephardic and Ashkenazi poskim

Subject:
שולחן ערוך יורה דעה סימן קי״ז (סעיף אחד)
עם נושאי הכלים: ט״ז, ש״ך, פרי חדש, פרי תואר, פתחי תשובה

⚠ Level disclaimer:
This level is not "Da'at HaRav": the Shulchan Aruch HaRav
(the Admur HaZaken) does not cover Yoreh De'ah, hence not Siman 117.
It is a level of practical psika: what one does, and whom to ask.

Writing and iyun:
הרב יוסף חיים סממה · DAAT

How to read this level. Every statement is anchored either in the text of the Shulchan Aruch and its nossei kelim (Taz, Shach, Pri Hadash, Pri Toar, Pitchei Teshuva), or in a named responsum of the poskim. On Yoreh De'ah there is neither a Mishnah Berurah (which comments only on Orach Chaim), nor a Shulchan Aruch HaRav / Da'at HaRav (the Admur HaZaken did not write the YD). Every concrete application (le-ma'asse) concludes with the referral to your Rav: real cases blend factual details (the exact nature of the product, the intention, whether it is de-oraita or de-rabbanan, the legal structure of the investment) that only a posek who sees your situation can decide.

📑 תוכן העניינים

  1. שורש הסימן — איסור סחורה בדבר המיוחד למאכל (סעיף אחד)
  2. פסק המחבר והרמ״א — שבע ההלכות שבסעיף האחד
  3. שורש האיסור — גזרה דרבנן או דאורייתא (חקירת הט״ז)
  4. דבר המיוחד למאכל — הגדרת האיסור (ש״ך ס״ק א)
  5. הלוואה והאכלת פועלים — מחלוקת הש״ך והפרי חדש
  6. היוצא מן הכלל — חֵלֶב, דם, מדרבנן — יעשה לכל מלאכה, הוקש למים
  7. נזדמנו לצייד — שלא יתכוין ומיד — ההיתר וגבולו
  8. גביית חוב מן הגוי ואיסור חזקת כשירה — כמציל מידם · חו״מ רכ״ח
  9. פסיקת הספרדים בזמננו — Yabia Omer, Yalkut Yossef
  10. פסיקת האשכנזים — Aruch HaShulchan and the acharonim
  11. מקרים מודרניים — Investment, selling treif, pet-food
  12. סיכום מעשי וטבלאות — ולמעשה, שאל את רבך

📜 The Shulchan Aruch text — Seif Alef (a single seif)

כָּל דָּבָר שֶׁאָסוּר מִן הַתּוֹרָה אַף עַל פִּי שֶׁמֻּתָּר בַּהֲנָאָה, אִם הוּא דָּבָר הַמְיֻחָד לְמַאֲכָלאָסוּר לַעֲשׂוֹת בּוֹ סְחוֹרָה (וְכֵן אָסוּר לְהַלְווֹת עָלָיו, וַאֲפִלּוּ לִקְנוֹתוֹ לְהַאֲכִילוֹ לְפוֹעֲלָיו).

חוּץ מִן הַחֵלֶב, שֶׁהֲרֵי נֶאֱמַר בּוֹ « יֵעָשֶׂה לְכָל מְלָאכָה ». וְאִם נִזְדַּמְּנוּ לַצַּיָּד חַיָּה וְעוֹף וְדָגִים טְמֵאִים — מֻתָּר לְמָכְרָם, וּבִלְבַד שֶׁלֹּא יִתְכַּוֵּן לְכָךְ.

הגה: וְצָרִיךְ לְמָכְרָהּ מִיָּד ; וְכֵן מֻתָּר לִגְבּוֹת דְּבָרִים טְמֵאִים בְּחוֹבוֹ מִן הַגּוֹי, דַּהֲוֵי כְּמַצִּיל מִיָּדָם. וְאָסוּר לִמְכֹּר נְבֵילָה בְּחֶזְקַת כְּשֵׁרָה. וְכָל דָּבָר שֶׁאֵין אִסּוּרוֹ אֶלָּא מִדִּבְרֵיהֶם — מֻתָּר לַעֲשׂוֹת בּוֹ סְחוֹרָה.

The principle. Anything forbidden by the Torah, even if permitted in benefit (mutar be-hana'a), if it is an item designated as food (davar ha-meyuchad le-maachal) → it is forbidden to trade in it (sechora) (likewise: to lend against it as collateral, or even to buy it to feed one's workers).

Except for the chelev (forbidden fat/suet), for it is said of it "יֵעָשֶׂה לְכָל מְלָאכָה" (it may be used for any work). And if a hunter/fisher (tzayad) happens upon impure animals, birds or fish → he may sell them, provided he did not intend to do so.

Rama: he must sell it immediately (miyad) ; and one may collect a debt in impure items from a non-Jew, since it is like rescuing from their hand (ke-matzil mi-yadam). But it is forbidden to sell a neveila represented as kosher. And anything whose prohibition is only rabbinic (mi-derabbanan) → trading in it is permitted.

— Shulchan Aruch, Yoreh De'ah 117:1 · basis: the sugya of Pesachim כ״ג and the responsum of the Rashba · Sefaria YD 117:1

1. שורש הסימן — the prohibition of trading in forbidden food

The foundation. Siman 117 has only one seif (a single seif), yet this seif condenses nearly seven rules. The principle: a product forbidden by the Torah and designated as food must not become merchandise — even if it is permitted in benefit (mutar be-hana'a). Everything turns on one distinction: is the prohibition de-oraita (then sechora forbidden) or merely de-rabbanan (then permitted) ; and is the item meyuchad le-maachal or designated for some other use.
The reason for the prohibition (Beit Yossef in the name of the Rashba). Why forbid the trade of a food that is already mutar be-hana'a? The Beit Yossef, in the name of the Rashba, gives the reason: גזרה שמא יבוא לאכול מהם — a decree lest, holding it as merchandise, the merchant come to eat from it. Thus, on this path, it is a rabbinic decree (gezera de-rabbanan) tied to the food-character of the item.

The Taz's objection (s.k. 1) — de-oraita?

The Taz (s.k. 1) objects: in Pesachim כ״ג, the prohibition of trading in forbidden things is presented as de-oraita, derived from the verse "לכם — שלכם יהא" (regarding chametz and neveilot: "it shall be yours", for your use, and not as an object of trade). Hence a fundamental chakira: is the issur sechora a mere rabbinic decree (Rashba) or a de-oraita din (Taz)? This root governs the scope of the prohibition — it is the axis of Level 2, and it weighs le-ma'asse (see §3).

2. פסק המחבר והרמ״א — the map of the siman

Siman 117 has only one seif (a single seif), but it must be broken into seven rules: the Mehaber lays the framework (the prohibition, its extension to collateral lending and to workers, the chelev exception, the incidental case of the tzayad) ; the Rama (hagaha) glosses ("miyad", ke-matzil mi-yadam, the prohibition of fraud "be-chezkat kesheira", and the leniency of the rabbinic case). Here is the overall map, as it emerges from the text itself.

RuleTopicPsak (anchored in the text)
1The principle (sechora)Forbidden to trade in a davar ha-meyuchad le-maachal forbidden de-oraita, even mutar be-hana'a. Reason (B"Y in the name of the Rashba): gezera shema yavo le-echol. Taz s.k. 1: per Pesachim כ״ג, de-oraita ("lachem — shelachem").
2Lending on collateral (lehalvot alav)Likewise forbidden to lend against such a food as collateral (Terumat HaDeshen sim. ר': "mechu'ar" ; and per the Rashba's reason, a real prohibition).
3Buying to feed one's workersEven buying it to feed one's non-Jewish workers is forbidden (Hagahot Maimoni). But Shach / Pri Hadash (via PT s.k. 4): buying to feed is not "ke-ein sechora" — a nuance to set out.
4The chelev exceptionPermitted, for "יֵעָשֶׂה לְכָל מְלָאכָה": the Torah authorized it for any use. Likewise the dam, hukash le-mayim (PT s.k. 1).
5The incidental case (nizdamnu la-tzayad)A tzayad (professional hunter/fisher) who happens upon impure animals, or one to whom a neveila/treifa falls, may sell them — provided he did not intend to. Taz s.k. 3: only the tzayad whose trade it is.
6miyad · ke-matzil mi-yadam · chezkat kesheiraRama: sell at once (miyad), without waiting for it to fatten. Collecting a debt in impure items from a non-Jew → permitted (ke-matzil mi-yadam, Rashba). But forbidden to sell a neveila be-chezkat kesheira (fraud — Choshen Mishpat רכ״ח).
7Forbidden only mi-derabbananAnything whose prohibition is only rabbinic → trading permitted be-chol gavna (Taz s.k. 4: "miyad" and "shelo yitkaven" apply only to the de-oraita case).
כלל הפסק של הסימן :
שלושה צירים חותכים את הסימן — דאורייתא או דרבנן (אם דרבנן, סחורה מותרת) ; מיוחד למאכל או למלאכה (חֵלֶב ודם — מותר) ; ומתכוין או נזדמן (הצייד שנזדמן לו — מותר מיד ובלבד שלא יתכוין). ובכולם הטעם: שמא יבוא לאכול.

3. שורש האיסור — a rabbinic decree or a de-oraita din?

כל דבר שאסור מן התורה אף על פי שמותר בהנאה, אם הוא דבר המיוחד למאכל — אסור לעשות בו סחורה.

— שולחן ערוך יו״ד קי״ז:א ; ב״י בשם הרשב״א: גזרה שמא יבוא לאכול מהם.
The Mehaber and the Rashba's reason. The Mehaber rules the prohibition as a given. The Beit Yossef supplies the lever, in the name of the Rashba: שמא יבוא לאכול מהם — a rabbinic decree of caution, tied to the item being designated for food. Nafka mina: if the reason is "lest he come to eat it", then where that risk does not exist (an item not fit for direct consumption, or a purely financial holding) one must weigh whether the prohibition still applies.
The Taz's principle and its challengers. The Taz (s.k. 4) states a principle: "what the Torah expressly permitted for use (like chelev: ye'aseh le-chol melacha), the Sages did not forbid in trade." But this principle is contested: the Chavot Yair (sim. קמ״ב) and the Panim Meirot (cited by the Pitchei Teshuva s.k. 3) limit its reach. A fundamental machloket on extending the chelev exception to the other permissions — not to be decided alone.

Le-ma'asse (the root of the prohibition). Whether one holds the issur sechora to be a rabbinic decree (Rashba) or a de-oraita din (Taz), the practical conclusion is the same for the de-oraita case: one does not trade in a food forbidden by the Torah. But the precise scope (a product not meant to be eaten? a mere shareholding? a doubtful prohibition?) depends on this root. For the application to your situation, consult your Rav.

4. דבר המיוחד למאכל — the definition of the prohibition (Shach s.k. 1)

אם הוא דבר המיוחד למאכל אסור לעשות בו סחורה.

— שולחן ערוך יו״ד קי״ז:א · ש״ך ס״ק א
ItemDesignated for food?SechoraSource
Impure animals/birds/fish (meat)Yes (meyuchad le-maachal)Forbidden (de-oraita)Mehaber ; Shach s.k. 1
Horses, donkeys, camels (stamam le-melacha)No (for work)Permitted — not meyuchad le-maachalShach s.k. 1
Fats for smearing hides / lighting (R"T)No (for use)PermittedShach s.k. 1 in the name of R"T
Pig (chazir)Yes — and all of it is forbiddenForbidden entirely (mishum ma'aseh she-haya)Shach s.k. 1
Shach s.k. 1 — what is "designated for food". The Shach sharpens the criterion דבר המיוחד למאכל: excluded are animals whose normal use is not consumption (horses, donkeys, camels: stamam le-melacha) — trading in them is permitted. In the name of Rabbenu Tam, he adds that other impure things raised not to be eaten but to smear hides with their fat, or to sell to a Jew for smearing/lighting → permitted. But the pig (chazir) is the exception: all of it is forbidden (mishum ma'aseh she-haya).

Le-ma'asse (meyuchad le-maachal). The dividing line is the item's normal use: meyuchad le-maachal → sechora forbidden ; designated for work or industrial use → permitted (except the pig). But qualifying a modern product (additive, by-product, derivative) as "designated for food" or not is a question of fact and definition. For the application to your situation, consult your Rav.

5. הלוואה והאכלת פועלים — collateral and feeding

Extension of the prohibition (text) and its debate (nossei kelim)

הכרעה. The central prohibition strikes trade (buying to resell, lending on collateral). The mere act of buying to feed (one's workers, one's animals) is not trade per the Shach and the Pri Hadash, and several are lenient on this point ; but reselling, even to a Jew, remains forbidden (Ba"h). The "trade / consumption" border is the practical heart of the siman.

Le-ma'asse (collateral / feeding). Hold the line: lending on collateral, or buying-to-resell a food forbidden de-oraita → forbidden ; buying to feed (without trade intent) → several poskim are lenient. Whether a concrete operation (a secured loan, a bulk purchase, feeding animals) counts as "trade" or simple use is a question of fact. For the application to your situation, consult your Rav.

6. היוצא מן הכלל — chelev, dam, and the rabbinic prohibition

חוץ מן החלב שהרי נאמר בו יעשה לכל מלאכה... וכל דבר שאין איסורו אלא מדבריהם מותר לעשות בו סחורה.

— שולחן ערוך יו״ד קי״ז:א · הגה
ExceptionReasonPractical consequenceSource
chelev (forbidden fat)"יֵעָשֶׂה לְכָל מְלָאכָה" — the Torah authorized it for useTrade permitted (industrial uses: soap, candles, etc.)Mehaber ; Taz s.k. 4
dam (blood)הוקש למים — likened to waterTrade permitted (likewise ever min ha-chai)PT s.k. 1: Pri Toar, Noda BiYehuda, Chatam Sofer
Forbidden only mi-derabbananIts prohibition is only rabbinicTrade permitted be-chol gavna ; no "miyad" nor "shelo yitkaven"Rama ; Taz s.k. 4
chelev — "ye'aseh le-chol melacha". The forbidden fat (chelev) escapes the issur sechora because the Torah itself expressly authorized it for any use ("יֵעָשֶׂה לְכָל מְלָאכָה", Vayikra 7:24). From this permission the Taz (s.k. 4) draws a principle (see §3) — contested by the Chavot Yair and the Panim Meirot (PT s.k. 3). In practice: one may trade in chelev for non-food (industrial) uses.
dam — "hukash le-mayim". The Pitchei Teshuva (s.k. 1) cites, in the name of the Pri Toar, the Noda BiYehuda and the Chatam Sofer, that blood (dam) is permitted in trade because it "was likened to water" ("ka-mayim tishpechenu") — it is not "meyuchad le-maachal" in the sense of the prohibition. Likewise ever min ha-chai on this path. An exception worth knowing for by-products.
The rabbinic prohibition. Anything whose prohibition is only rabbinic (and not de-oraita) → trading in it is permitted. The Taz (s.k. 4) clarifies that the stringencies of the seif ("miyad", "shelo yitkaven") apply only to the de-oraita prohibition ; for the rabbinic one, trade is permitted be-chol gavna (in any manner). A major leniency for products that only some detail renders non-kosher at a rabbinic level.

Le-ma'asse (the exceptions). Three gates of leniency: the chelev (for industrial use), the dam (hukash le-mayim), and any prohibition that is only rabbinic (trade permitted). But qualifying a modern product — "is it a de-oraita or de-rabbanan prohibition? is it a non-food derivative like chelev?" — demands precise examination. For the application to your situation, consult your Rav.

7. נזדמנו לצייד — the incidental case, "shelo yitkaven" and "miyad"

ואם נזדמנו לצייד חיה ועוף ודגים טמאים מותר למכרם ובלבד שלא יתכוין לכך. הגה: וצריך למכרה מיד ולא ימתין עד שתהא שמינה אצלו.

— שולחן ערוך יו״ד קי״ז:א · והגה בשם א״ח

The incidental — who, and on what conditions

הכרעה. The incidental (nizdaman) is a narrow window: reserved for the professional (tzayad), without intent (shelo yitkaven), and on condition of selling at once (miyad). Anything departing from these three bounds — intent, the private person, waiting for profit — falls back under the issur sechora.

Le-ma'asse (the incidental). If a forbidden product falls to you by chance (goods received, a non-conforming lot), you may dispose of it at once — without having sought it and without waiting to add value. But qualifying "incidental / intentional" and "at once" in a real operation (stock, delivery, resale delay) is a question of fact. For the application to your situation, consult your Rav.

8. גביית חוב וחזקת כשירה — collecting a debt ; not defrauding

וכן מותר לגבות דברים טמאים בחובו מן העובד כוכבים דהוי כמציל מידם... ואסור למכור לעובד כוכבים נבילה בחזקת כשירה (ועיין בחושן המשפט סימן רכ״ח).

— שולחן ערוך יו״ד קי״ז:א · הגה · רשב״א בתשובה
ke-matzil mi-yadam (Rashba). The Rama, on a responsum of the Rashba, permits collecting a debt in impure items from a non-Jew: this is not trade but "כמציל מידם" — like rescuing one's own from their hand ; one bears the forbidden thing to recover one's money, one does not seek it as merchandise.
chezkat kesheira — the prohibition of fraud. The Rama forbids selling a neveila to a non-Jew be-chezkat kesheira — presenting it to him (or letting him believe it) as kosher. This is fraud (genevat da'at / ona'a), and the Rama refers explicitly to Choshen Mishpat siman רכ״ח. The rule reaches beyond kashrut: one does not pass off merchandise as what it is not.

Le-ma'asse (debt / fraud). Recovering a debt in forbidden products from a non-Jew is permitted (ke-matzil mi-yadam) ; but it is forbidden to present as kosher what is not (Choshen Mishpat רכ״ח) — including in a label, a hechsher, or a commercial description. Whether an operation is a "collection" or a "trade", and what constitutes a misleading presentation, are questions of fact and law. For the application to your situation, consult your Rav.

9. פסיקת הספרדים בזמננו — contemporary Sephardic psika

Method note. The responsa that follow (Yabia Omer, Yalkut Yossef) extend the principles of siman 117 above to modern cases. They are not in the corpus of the siman ; they are cited as recognized streams of psika, to be confirmed with a Rav before any application.

Contemporary Sephardic psika (the school of Rav Ovadia Yossef) starts precisely from the Mehaber's framework: the issur sechora on a davar ha-meyuchad le-maachal forbidden de-oraita, the exception of the chelev and the dam (hukash le-mayim, following the Pri Toar and the Noda BiYehuda cited in the Pitchei Teshuva), and the express leniency for what is only forbidden mi-derabbanan. On buying-to-feed, the Sephardic school readily follows the Shach and the Pri Hadash (it is not trade).
Concrete caseSephardic orientation (to verify)
Trading in treif / neveila / food forbidden de-oraitaForbidden (davar ha-meyuchad le-maachal) ; one does not monetize such stock.
Product forbidden only mi-derabbananTrade permitted be-chol gavna (Taz s.k. 4) ; leniency adopted.
chelev / dam / non-food by-productTrade permitted (ye'aseh le-chol melacha ; hukash le-mayim).
Buying to feed (workers, animals)Not trade → lenient (Shach / Pri Hadash) ; reselling to a Jew → forbidden (Ba"h).
Anchoring in the siman. All of this flows from the text: the base prohibition, the "meyuchad le-maachal" definition (Shach s.k. 1), the chelev/dam/mi-derabbanan exceptions, and the incidental case of the tzayad. The contemporary responsa apply these rules to today's businesses and markets.

10. פסיקת האשכנזים — Ashkenazi psika

Method note. Same remark: these streams extend the Rama and the nossei kelim ; they are cited as reference points of psika, to be confirmed with a Rav.

Ashkenazi psika starts from the Rama and the acharonim (Aruch HaShulchan YD, and the 20th-century poskim). Two traits of the Rama dominate this siman: (1) the incidental case must be sold "miyad" and without intent ; (2) "ke-matzil mi-yadam" for the debt, but a prohibition of fraud "be-chezkat kesheira" (referral to Choshen Mishpat רכ״ח). The Aruch HaShulchan (YD 117) restates the breakdown of the seif and stresses the trade / use border.
Concrete caseAshkenazi orientation (to verify)
Trading in a food forbidden de-oraitaForbidden (gezera shema yavo le-echol / de-oraita per the Taz).
Incidental (nizdaman)Sell at once (miyad), reserved for the professional and without intent.
Collecting a debt in forbidden productsPermitted (ke-matzil mi-yadam), from a non-Jew.
Presenting neveila as kosherForbidden — fraud (Choshen Mishpat רכ״ח).
Chabad — only through real sources. The Shulchan Aruch HaRav does not cover Yoreh De'ah ; there is therefore no "Da'at HaRav" on siman 117. For Chabad practice on these questions one refers to the responsa of the Tzemach Tzedek and to the Sefer HaMinhagim Chabad when they explicitly treat a point — and one refrains from attributing to the Admur HaZaken a ruling he did not write here.

11. מקרים מודרניים — today's economy

How siman 117 illuminates business. Four tools of the siman serve to decide modern cases: (1) the issur sechora on a davar ha-meyuchad le-maachal forbidden de-oraita ; (2) the trade / use border (buying to feed) ; (3) the exceptions (chelev, dam, mi-derabbanan) ; (4) the incidental case (nizdaman, miyad, shelo yitkaven).
Modern caseTool of the simanOrientation (to confirm with the Rav)
Investing in / holding a non-kosher business (shares of pork or seafood companies, a treif restaurant, a food-truck)The principle (sechora on a davar ha-meyuchad le-maachal de-oraita)This is the heart of the prohibition: to trade, oneself or through one's company, in a food forbidden de-oraita is forbidden. The structure (holding, stake, control) changes the analysis — to examine.
Selling treif / neveila / chametz she-avar alav ha-PesachThe principle + mi-derabbanan / de-oraitaFood forbidden de-oraita → forbidden. Chametz she-avar alav ha-Pesach (forbidden de-rabbanan per many) may fall under the rabbinic leniency (Taz s.k. 4) — but this depends on the qualification, to be decided.
Presenting it as kosher (label, hechsher, description)chezkat kesheira (Choshen Mishpat רכ״ח)Absolutely forbidden: passing off as kosher what is not is fraud.
Pet-food / feeding workers containing neveilaBuying to feed (Shach / Pri Hadash, PT s.k. 4)Buying to feed (animals, employees) is not trade → several are lenient ; but reselling it is sechora (Ba"h).
Non-food by-products (suet → soap/candles ; blood ; industrial gelatin)Exceptions (chelev, dam)chelev "ye'aseh le-chol melacha" and dam "hukash le-mayim" → trade permitted for a non-food use ; the product's qualification is decisive.

Le-ma'asse. These situations blend questions of fact and law — the de-oraita or de-rabbanan status of the product, the structure of the investment, intent to trade or merely to use, food or industrial use — that only your Rav can decide upon seeing the case. The practical rule: reconstruct precisely what is bought/sold, for what purpose, and under what halakhic status, then ask. For the application to your situation, consult your Rav.

12. סיכום מעשי — summary and tables

טבלה — the rules, in practice

CaseRule (for us)Note
Food forbidden de-oraita, meyuchad le-maachalSechora forbiddengezera shema yavo le-echol (Rashba) / de-oraita (Taz)
Lending on collateral / buying to resellForbiddenTerumat HaDeshen sim. ר' ; Ba"h (even to a Jew)
Buying to feed (without trade)Several are lenientShach / Pri Hadash (PT s.k. 4)
chelev (suet)Trade permitted"ye'aseh le-chol melacha" (industrial uses)
dam (blood)Trade permittedhukash le-mayim (PT s.k. 1)
Forbidden only mi-derabbananTrade permitted be-chol gavnaTaz s.k. 4
Incidental case (nizdaman to a tzayad)Sell miyad, without intentReserved for the professional (Taz s.k. 3)
Presenting as kosher (chezkat kesheira)Forbidden (fraud)Choshen Mishpat רכ״ח

טבלה — who says what (the siman's nossei kelim)

PosekDecisive contribution (corpus-anchored)
Mehaber (single seif)The issur sechora on a davar ha-meyuchad le-maachal de-oraita ; lending on collateral ; buying to feed one's workers ; the chelev exception ; the tzayad's incidental case (shelo yitkaven).
Rama (hagaha)Sell "miyad" ; "ke-matzil mi-yadam" for the debt ; prohibition of neveila "be-chezkat kesheira" (Choshen Mishpat רכ״ח) ; the mi-derabbanan leniency.
Beit YossefThe reason for the prohibition in the name of the Rashba: gezera shema yavo le-echol ; the extension to buying for the workers (Hagahot Maimoni).
Taz (Turei Zahav)s.k. 1: the root — Pesachim כ״ג, de-oraita ("lachem — shelachem") ; s.k. 3: the incidental reserved for the tzayad ; s.k. 4: "miyad" / "shelo yitkaven" apply only to the de-oraita case — mi-derabbanan permitted be-chol gavna ; the chelev principle.
Shach (Siftei Kohen)s.k. 1: "davar ha-meyuchad le-maachal" — excludes horses/donkeys/camels ; R"T on fats for smearing/lighting ; the pig wholly forbidden. On buying-to-feed (via PT).
Pri Hadash / Pri ToarPri Hadash: buying to feed is not sechora (PT s.k. 4). Pri Toar: the dam permitted because hukash le-mayim (PT s.k. 1).
Pitchei Teshuvas.k. 1: dam hukash le-mayim — Pri Toar, Noda BiYehuda, Chatam Sofer ; ever min ha-chai. s.k. 3: the Taz's principle contested (Chavot Yair, Panim Meirot). s.k. 4: buying to feed (Shach/Pri Hadash) ; Ba"h forbids le-Yisrael acher. s.k. 6: Tiferet Yisrael (hares). s.k. 7: Chavot Yair — cooked treif meat → takala.

טבלה — contemporary streams of psika (outside the corpus, to verify)

Sephardic: the school of Rav Ovadia Yossef (Yabia Omer, Yechaveh Da'at), Yalkut Yossef. They extend the Mehaber: the issur sechora on a davar ha-meyuchad le-maachal de-oraita ; the chelev/dam exceptions ; the mi-derabbanan leniency ; buying-to-feed not equated with trade.
Ashkenazi: Aruch HaShulchan (YD 117) and acharonim. They extend the Rama: sell the incidental "miyad", "ke-matzil mi-yadam" for the debt, prohibition of fraud "be-chezkat kesheira" (Choshen Mishpat רכ״ח).
Chabad: no Shulchan Aruch HaRav on the YD. One cites only real sources — responsa of the Tzemach Tzedek, Sefer HaMinhagim — when they explicitly treat the point.

Sefaria links (text and nossei kelim)

Shulchan Aruch YD 117: 117:1
Taz (Turei Zahav): 117 s.k. 1 · 117 s.k. 3 · 117 s.k. 4
Shach (Siftei Kohen): 117 s.k. 1
Pitchei Teshuva: 117 s.k. 1 · 117 s.k. 4

👈 הלכה למעשה — the golden rule of this level

  1. On the substance, hold the three axes: de-oraita or de-rabbanan (de-rabbanan → trade permitted), meyuchad le-maachal or for use (chelev/dam → permitted), intent or incidental (nizdaman → permitted if miyad and shelo yitkaven).
  2. In practice, one does not trade in a food forbidden de-oraita (gezera shema yavo le-echol) — including by investing in such a business ; and one never presents as kosher what is not (Choshen Mishpat רכ״ח).
  3. The gates of leniency — chelev (industrial use), dam (hukash le-mayim), a mi-derabbanan prohibition, buying to feed — exist, but applying them to a specific product or structure demands examination.
  4. And for any real case — the product's status, the structure, the intent, the use — the halakha le-ma'asse goes through your Rav.

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פסק והלכה למעשה בדין שלא לעשות סחורה מדבר איסור · סימן קי״ז · ⚖️ Level 4 — Halakha le-ma'asse
⚠️ This content is for study. The contemporary streams of psika cited (Sephardic and Ashkenazi) are reference points, not a personal psak. For any practical application (לְמַעֲשֶׂה), consult a qualified Rav.

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