Prepayments for services or goods. These generally must be included in gross income when received by both accrual-basis and cash-basis taxpayers.

Prepayments for services or goods that generally are includable in gross income upon receipt for both accrual- and cash-basis taxpayers.

One or more lease payments required to be paid to the lessor at the beginning of the lease term. Lease structures commonly require one payment to be made in advance. This term also refers to leasing arrangements in which the lease payment is due at the beginning of each period.

Amounts paid by interstate gas pipelines to natural gas producers, including affiliated companies, for exploration, development, or production of natural gas, which amounts were to be repaid in cash or by future delivery of gas. During a brief period during the 1970s the Commission allowed such advances to be included in the pipeline's rate base (with adjustments when repaid) and hence to be recovered by the pipeline through its cost of service. The purpose of the advance payments was to induce producers to sell natural gas at regulated prices to the interstate pipelines, rather than at higher, unregulated prices to intrastate pipelines.

Payments made to a contractor before performance.