Deuteronomy 25:14
You shall not have two differing measures in your house, one large and one small.
What it says
A household must not keep differing measures, one large and one small.
What it is doing
It extends the ban on deceit from the bag to the home.
In context
13You shall not have two differing weights in your bag, one heavy and one light. 14You shall not have two differing measures in your house, one large and one small. 15You must maintain accurate and honest weights and measures, so that you may live long in the land that the LORD your God is giving you. 16For everyone who behaves dishonestly in regard to these things is detestable to the LORD your God.