CFR / 
Title 7
 / Part 29
 / 
Sec. 29.1020 Foreign matter.
Any extraneous substance or material such as straw, strings, rubber bands, grass, weeds, or an excessive amount of dirt or sand. (See Rule 24.)
[42 FR 21092, Apr. 25, 1977. Redesignated at 51 FR 25027, July 10, 1986]