 Cession is a transfer of a personal incorporeal right or claim from the estate of the cedent (transferor) to that of the cessionary (transferee) by means of an agreement between the two; it is the substitution by contract, known as a cessionary agreement, of one creditor for another.It is the opposite, then, of delegation.For example,

Assume A has a right to claim money from B, arising from a contract or any other source of obligation.