42 CFR §417.934

1. (a)Timing. Unless the Secretary approved a longer period, an entity that received a loan or loan guarantee under section 1305 of the PHS Act was required to establish a restricted reserve account on the earlier of the following:
   1. (1)When the HMO's revenues and costs of operation reached the break-even point.
   2. (2)At the end of the 60-month period following the Secretary's endorsement of the loan or loan guarantee.
2. (b)Purpose and amount of reserve. The reserve had to be constituted so as to accumulate, no later than 12 years after endorsement of the loan or loan guarantee, an amount equal to 1 year's principal and interest.