The renewal of a contract at the end of its stated term.
tacit reconduction: (in a region influenced by the French legal system) the automatic renewal of a contract for a further period of time unless either party to the agreement explicitly refuses..
Origin
Mid 19th century. From French réconduction from post-classical Latin reconduction-, reconductio from classical Latin reconduct-, past participial stem of recondūcere to hire or contract for again (from re- + condūcere) + -iō.