(1) Effective with benefit years beginning on and after January 1, 1978, base year wages shall include remuneration paid for previously uncovered services: PROVIDED, That the maximum benefits payable to an individual as computed for the benefit year will be reduced to the extent that benefits were paid on the basis of identical calendar quarters of the previously uncovered services with respect to a claim filed by the individual under Title II of the Emergency Jobs and Unemployment Assistance Act of 1974. Benefits will be paid, subject to the provisions of this title, based upon the previously uncovered services to the extent that the unemployment compensation trust fund will be reimbursed for the cost thereof by the federal government under section 121 of PL 94-566 and regulations published by the secretary of labor relating thereto.
(2) For the purposes of this section, the term "previously uncovered services" means services performed before January 1, 1978, which are not employment as defined in Title
50 RCW at any time during the one year period ending December 31, 1975, and which:
(a) Is agricultural labor as defined in RCW
50.04.150 and covered by RCW
50.04.155 or domestic services as defined in and covered by RCW
50.04.160; or
(b) Is service performed by an employee of this state or a political subdivision of this state newly covered by chapter 292, Laws of 1977 ex. sess. or by an employee of a nonprofit educational institution which is not an institution of higher education as provided in *RCW
50.44.040(3).
(3) Any nonprofit organization or governmental entity electing to make payments in lieu of contributions shall not be liable to make payments with respect to benefits paid any individual whose base year wages include wages for previously uncovered services as defined in subsection (2)(a) and (b) of this section to the extent that the unemployment compensation fund is reimbursed for the benefits under section 121 of PL 94-566.
(4) Benefits paid any individual whose base year wages include wages for previously uncovered services as defined in subsection (2)(a) and (b) of this section shall not be charged to the experience rating account of any contribution paying employer to the extent that the unemployment compensation fund is reimbursed for the benefits under section 121 of PL 94-566.