This section is from the book "The Law Of Contracts", by William Herbert Page. Also available from Amazon: Commercial Contracts: A Practical Guide to Deals, Contracts, Agreements and Promises.
Sec. 2802. Nature of payment.
Sec. 2804. Delivery of money.
Sec. 2806. Medium of payment - Specific agreement excluding certain kinds of money.
Sec. 2808. Contracts payable in something other than money - No valuation in money.
Sec. 2809. Valuation in money as means of fixing quantity.
Sec. 2811. Payment of money debt in something other than money - Express agreement.
Sec. 2813. Presumption as to transfer of negotiable instrument - Absolute payment not presumed - Notes.
Sec. 2815. Absolute payment not presumed - Checks.
Sec. 2816. Absolute payment presumed.
Sec. 2818. Payment in genuine but worthless bank-notes.
Sec. 2819. Payment in counterfeit money.
Sec. 2821. Payment by stranger to contract.
Sec. 2823. Payment to agent of creditor.
Sec. 2824. Place of payment.
Sec. 2825. Time of payment.
Sec. 2826. Payment by mail.
Sec. 2828. Effect of payment - Obligations under seal.
Sec. 2829. Effect of payment - Simple debts.