The term necessary expenses as used in this subparagraph (B) shall include the expense of reimbursing a State for salaries and other expenses of employees of such State temporarily assigned or detailed to duty with the Department of Labor and of paying such employees for travel expenses, transportation of household goods, and per diem in lieu of subsistence while away from their regular duty stations in the State, at rates authorized by law for civilian employees of the Federal Government.
If it subsequently appears that the estimates under this paragraph in any particular period were too high or too low, appropriate adjustments shall be made by the Secretary of the Treasury in future payments.
Any amount transferred pursuant to this subparagraph shall be credited against, and shall operate to reduce, that balance of advances, made under section 1321 of this title to the State, with respect to which employers paid such additional tax.
The net balance in the employment security administration account as of the beginning of any fiscal year shall be determined after the disposition of the excess in such account as of the close of the preceding fiscal year.
then the amount available for transfer to such States account shall, in lieu of being so transferred, be transferred to the Federal unemployment account as of the beginning of such October 1. If, during the fiscal year beginning on such October 1, the Secretary of Labor finds and certifies to the Secretary of the Treasury that such State is eligible for certification under section 503 of this title, that the law of such State is approvable under such section 3304, or both, the Secretary of the Treasury shall transfer such amount from the Federal unemployment account to the account of such State. If the Secretary of Labor does not so find and certify to the Secretary of the Treasury before the close of such fiscal year then the amount which was available for transfer to such States account as of October 1 of such fiscal year shall (as of the close of such fiscal year) become unrestricted as to use as part of the Federal unemployment account.
then the amounts described in clause (i) shall be restored to the status of funds transferred under subsections (a) and (b) of this section which have not been used by eliminating any charge against amounts so transferred for the use of such amounts in the payment of unemployment benefits.
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If for any such month the payments referred to in subparagraph (B) exceed the transfers referred to in subparagraph (A), proper adjustments shall be made in the amounts subsequently transferred.