(b)
Collections in Fund
The Fund shall consist of—
(1)
collections from sales made under letters of offer issued pursuant to section
2761
(a)(1)(A) of this title representing the actual value of defense articles not intended to be replaced in stock,
(2)
collections from sales representing the value of asset use charges (including contractor rental payments for United States Government-owned plant and production equipment) and charges for the proportionate recoupment of nonrecurring research, development, and production costs, and
(3)
collections from sales made under letters of offer (or transfers made under the Foreign Assistance Act of 1961 [22 U.S.C. 2151 et seq.]) of defense articles and defense services acquired under this subchapter, representing the value of such items calculated in accordance with subparagraph (B) or (C) of section
2761
(a)(1) of this title or section
2762 of this title or section 644(m) of the Foreign Assistance Act of 1961 [22 U.S.C. 2403
(m)], as appropriate,
together with such funds as may be authorized and appropriated or otherwise made available for the purposes of the Fund.