5 C.F.R. § 1645.6 Basis for calculation of share prices.
Title 5 - Administrative Personnel
The total fund basis for a TSP Fund will be the sum of the number of shares in all individual accounts from all sources of contributions in that fund as of the opening of business on each business day. [70 FR 32215, June 1, 2005]
Title 5: Administrative Personnel
PART 1645—CALCULATION OF SHARE PRICES
§ 1645.6 Basis for calculation of share prices.