Answer: provisional

AnswerCrossword Clue
PROVISIONALTemporary
provisionala postage stamp for use until a regular issue appears
provisionalOf or relating to the unofficial wings of the Irish Republican Army and Sinn Fein established in 1969 and advocating terrorism
provisionalArranged or existing for the present, possibly to be changed later
provisional(of a postage stamp) Put into circulation temporarily, usually owing to the unavailability of the definitive issue