18.21—Payment.

(i) Interest earned on advances. Except for interest earned on advances of funds exempt under the Intergovernmental Cooperation Act (31 U.S.C. 6501 et seq.) and the Indian Self-Determination Act (23 U.S.C. 450 ), grantees and subgrantees shall promptly, but at least quarterly, remit interest earned on advances to the Federal agency. The grantee or subgrantee may keep interest amounts up to $100 per year for administrative expenses.
(j) 23 U.S.C. 121 limits payments to States for highway construction projects to the Federal share of the costs of construction incurred to date, plus the Federal share of the value of stockpiled materials.
[53 FR 8086 and 8087, Mar. 11, 1988, as amended at 53 FR 8086, Mar. 11, 1988]