הַשּׁוֹקֵל לַחֲבֵרוֹ מִמִּשְׁקָלוֹת חֲסֵרוֹת מִן הַמִּשְׁקָל שֶׁהִסְכִּימוּ עָלָיו בְּנֵי אוֹתָהּ הַמְּדִינָה. אוֹ הַמּוֹדֵד בְּמִדָּה חֲסֵרָה מִן הַמִּדָּה שֶׁהִסְכִּימוּ עָלֶיהָ. הֲרֵי זֶה עוֹבֵר בְּלֹא תַּעֲשֶׂה שֶׁנֶּאֱמַר (ויקרא יט לה) "לֹא תַעֲשׂוּ עָוֶל בַּמִּשְׁפָּט בַּמִּדָּה בַּמִּשְׁקָל וּבַמְּשׂוּרָה":
When a person weighs for a colleague using weights that are less than the weights accepted by the people in that country, or he measures using a measure that contains less than the measure used by people in that country, he violates a negative commandment, as Leviticus 19:35 states: "Do not act deceitfully with regard to a judgment concerning measures, weights and liquid measures."
