Siman 191
Presented here for study, not as a practical ruling. The Shulchan Aruch rules by Sephardi custom, the Rema's glosses by Ashkenazi custom, and the Kitzur follows Ashkenazi custom. For a practical question, ask your rabbi.
א פּוֹעֲלִים הָעוֹשִׂים מְלָאכָה אֵצֶל בַּעַל הַבַּיִת, מְקַצְּרִין בְּבִרְכַּת הַמָּזוֹן, כְּדֵי שֶׁלֹּא לְבַטֵּל מְלֶאכֶת בַּעַל הַבַּיִת; כֵּיצַד, בְּרָכָה רִאשׁוֹנָה כְּתִקְנָהּ, וּשְׁנִיָּה פּוֹתֵחַ בְּבִרְכַּת הָאָרֶץ וְכוֹלֵל בָּהּ בּוֹנֵה יְרוּשָׁלַיִם וְחוֹתֵם בְּבִרְכַּת הָאָרֶץ, וְאֵין אוֹמְרִים בִּרְכַּת הַטּוֹב וְהַמֵּטִיב כְּלָל. בַּמֶּה דְּבָרִים אֲמוּרִים, כְּשֶׁנּוֹטְלִים שָׂכָר עַל מְלָאכְתָן מִלְּבַד הַסְעֻדָּה, אֲבָל אִם אֵין נוֹטְלִים שָׂכָר אֶלָּא הַסְעֻדָּה שֶׁאוֹכְלִים לְבַד, מְבָרְכִין כָּל ד' בְּרָכוֹת כְּתִקְנָן; וְכֵן אִם בַּעַל הַבַּיִת מֵסֵב עִמָּהֶם, אַף עַל פִּי שֶׁנּוֹטְלִים שָׂכָר מִלְּבַד הַסְעֻדָּה, מְבָרְכִין כָּל ד' בְּרָכוֹת.
1 Laborers doing work for their employer should abbreviate the grace after meals so that they do not take themselves away from the work of their employer. How (do they abbreviate the grace after meals)? (They recite) the first blessing as established and the second they begin with "the blessing on the land" then include in it "He who builds Jerusalem" and conclude with "the blessing on the land". They do not recite the blessing of "The one who is Good and does good" at all. In what circumstances does this apply? When they are receiving payment for their work besides the meal (they are provided with). However, if they are not taking payment but rather are only provided with the meal they eat, they should recite all four blessings as established. This is also the case if the employer is eating with them, even if they are taking payment in addition to the meal, they should recite all four blessings.
ב וְהָאִדָּנָא לְעוֹלָם מְבָרְכִים כָּל אַרְבַּע בְּרָכוֹת, שֶׁאֵין דֶּרֶךְ בְּנֵי אָדָם עַכְשָׁו לְהַקְפִּיד בְּכָךְ, וּמִסְתָמָא אַדַּעְתָּא דְּהָכֵי שׂוֹכְרִים פּוֹעֲלִים שֶׁיְּבָרְכוּ כָּל אַרְבַּע בְּרָכוֹת כְּתִקְנָם.
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ג אָסוּר לַעֲשׂוֹת מְלָאכָה בְּעוֹדוֹ מְבָרֵךְ. וְכֵן הוּא לְעֵיל סוֹף סִימָן קפ"ג.
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