17 C.F.R. § 37.1304
Computation of costs to meet financial resources requirement
A swap execution facility shall each fiscal quarter, make a reasonable calculation of its projected operating costs and wind-down costs in order to determine its applicable obligations under §§ 37.1301 and 37.1303. The swap execution facility shall have reasonable discretion in determining the methodologies used to compute such amounts. The Commission may review the methodologies and require changes as appropriate.