MEASUREMENT OF LABORATORY INSTRUCTION.

SEC. 321. MEASUREMENT OF LABORATORY INSTRUCTION. (a) In General.— Section 1788 is amended— (1) in clause (B) of the first sentence of the matter following clause (7) of subsection (a), by inserting “(or two 50-minute periods)” after “two hours”; and (2) in subsection (c), by inserting “(or two 50-minute periods)” after “two hours”. (b) Effective Date.— The amendments made by subsection (a) shall apply to any enrollment or reenrollment commencing on or after the date of enactment of this Act.