The wage and hours requirements of the Act do not apply to any
employees during any workweek in which a portion of his activities falls
within section 13(a)(5) if no part of the remainder of his activities is
covered by the Act. Similarly, the overtime requirements are
inapplicable in any workweek in which a portion of an employee's
activities falls within section 13(b)(4) if no part of the remainder of
his activities is covered by the Act. Covered activities for purposes of
the above statements mean engagement in commerce, or in the production
of goods for commerce, or in an occupation closely related or directly
essential to such production or employment in an enterprise engaged in
commerce or in the production of goods for commerce, as explained in
Secs. 784.17 through 784.19.
