(a) If unused supplies exceeding $1,000 in total aggregate market value are left over upon termination or expiration of the grant or subgrant for which they were acquired and the supplies are not needed for any project or program currently or previously funded by the Federal government, the grant shall be credited by an amount computed by multiplying the Federal share of the supplies times the current market value or, if the supplies are sold, the proceeds from sale. If the supplies are sold, 10 percent of the proceeds may be deducted and retained from the credit, for selling and handling expenses.

(b) For possible exemptions from this section, see § 3015.164.