1. a payment made well in advance of service delivery, whether in the mail or over the counter. Prepayments replaces the term "advance payments" for such payments, as the former was a misnomer. (HCO PL 15 Sept 71- II)2. prepayments replaces the termadvance payments. (HCO PL 15 Jan 72RA)3. payment well in advance-not for service to be taken "tomorrow" or "in a few days." (BPL 29 May 70R)