This is the positive command that matches the negative commands in the previous verses. For buying and for selling, everyone should use the same set of accurate weights and measures, in conformity with the official standard.

Full and just: Revised English Bible has “true and correct,” Good News Translation “true and honest,” and Contemporary English Version “weigh and measure things honestly.”

That your days may be prolonged in the land: see 5.16; 22.6.

The land which the LORD your God gives you: see 7.1.

Quoted with permission from Bratcher, Robert G. and Hatton, Howard A. A Handbook on Deuteronomy. (UBS Helps for Translators). New York: UBS, 2000. For this and other handbooks for translators see here .