What is de minimis in rules of origin?

De minimis, also called tolerance, is a small allowance for imported materials that don't meet the rule. If they stay under the limit, often 10 or 15 percent of the product's value, the product can still qualify.

An example

A rule for tables says the materials have to come from a different heading. You make the tables yourself but buy in finished table legs, which sit in the same heading as the table. If the legs are worth less than the agreement's limit, de minimis lets the table qualify anyway.

Where it doesn't help

It usually only rescues a tariff shift rule. It won't help you pass a value test, because the materials still count towards the value. Some agreements leave certain products out, often farm goods, and textiles usually have their own allowance worked out by weight.

Where you'll find it. The article it's in, agreement by agreement.