Base period

(a) In general Section 3304(a) of the Internal Revenue Code of 1986, as amended by sections 501, 502(a), and 503, is amended— (1) in paragraph (21), by striking and at the end; (2) by redesignating paragraph (22) as paragraph (23); and (3) by inserting after paragraph (21) the following new paragraph: (22) the State law— (A) uses a base period that consists of 4 completed calendar quarters preceding the effective date of the claim and includes the most recently completed calendar quarter before the start of the benefit year for purposes of determining eligibility for unemployment compensation; or (B) provides that, in the case of an individual who would not otherwise be eligible for unemployment compensation under the State law because of the use of a base period that does not meet the requirements described in subparagraph (A), eligibility is determined using a base period that consists of 4 completed calendar quarters preceding the effective date of the claim and includes the most recently completed calendar quarter before the start of the benefit year; and. (b) Effective date The amendments made by subsection (a) shall apply to claims with an effective date beginning on or after the earlier of— (1) the date the State changes its statutes, regulations, or policies in order to comply with such amendments; or (2) the date that is 6 months after the date of a submission of recommendations by the Council under section 101(c)(4)(A) that includes a declaration that a significant labor market disruption has occurred or is likely to occur in a given fiscal year.