Payment in cash

Whenever it is agreed that the payment be made in the coins of certain and specified type, the payment shall be done in the manner agreed if the coin legally exists, even though there is variation in the value from the time of contract to the date of payment and even though such variation has resulted by operation of law. § 1 - Where the stipulated coin is not available in sufficient quantity, the payment can be made in the equivalent current coin as per the quotation in the exchange market on the date when payment is due. § 2 - When it is stipulated that the payment shall be made in coins of gold or silver, without mentioning the proportion of the ones and the others, such a proportion shall be regulated by the original debt, and if this is not possible, the debtor shall pay half in gold and half in silver. § 3 - The compulsory circulation of bank notes does not affect the validity of the agreement to effect payment in metallic coin national or foreign.