expiring
ɪkˈspʌɪə
ɛkˈspʌɪə
verb
(of a document, authorization, or agreement) come to the end of the period of validity.
his driving licence expired
run out,become invalid,become void,be no longer valid,lapse,cease,become obsolete,end,finish,stop,come to an end,conclude,terminate,be over,be at an end