(a) Definitions generally applicable to the Thrift Savings Plan are set forth at 5 CFR 1690.1.

(b) As used in this part:

Accrued means that income is accounted for when earned and expenses are accounted for when incurred.

Administrative expenses means expenses described in 5 U.S.C. 8437(c)(3).

Basis means the number of shares of an investment fund upon which the calculation of a share price is based.

Business day means any calendar day for which share prices are calculated.

Forfeitures means amounts forfeited to the TSP pursuant to 5 U.S.C. 8432(g)(2) and other non-statutory forfeited amounts, net of restored forfeited amounts.