### Question
How is the "common household measure* or *common household unit" defined?


### Answer
The term **common household measure* or *common household unit** is defined in *21 CFR § 101.9* as follows -

> cup, tablespoon, teaspoon, piece, slice, fraction (e.g., 1/4 pizza), ounce (oz), fluid ounce (fl oz), or other common household equipment used to package food products (e.g., jar, tray). 

#### Citation:
  - *21 CFR § 101.9*
