unemployment fund
For purposes of this chapter, the term “unemployment fund” means a special fund, established under a State law and administered by a State agency, for the payment of compensation. Any sums standing to the account of the State agency in the Unemployment Trust Fund established by section 904 of the Social Security Act, as amended ( 42 U.S.C. 1104 ), shall be deemed to be a part of the unemployment fund of the State, and no sums paid out of the Unemployment Trust Fund to such State agency shall cease to be a part of the unemployment fund of the State until expended by such State agency. An unemployment fund shall be deemed to be maintained during a taxable year only if throughout such year, or such portion of the year as the unemployment fund was in existence, no part of the moneys of such fund was expended for any purpose other than the payment of compensation (exclusive of expenses of administration) and for refunds of sums erroneously paid into such fund and refunds paid in accordance with the provisions of section 3305(b); except that—