1976—Subsec. (a). Pub. L. 94–582 substituted in first sentence “official inspection or weighing function” for “official inspection function”.

Amendment by Pub. L. 94–582 effective 30 days after Oct. 21, 1976, see section 27 of Pub. L. 94–582, as amended, set out as a note under section 74 of this title.

For effective date of section, see section 2 of Pub. L. 90–487, set out as an Effective Date of 1968 Amendment note under section 78 of this title.