Quote Originally Posted by dgfred
But do you have to hold onto the provence indefinately?

I guess you have to keep up with the points on your own .
Wigferth Ironwall is right: crusade points are counted at set years between 1095 and 1204. If you lose the province in between and recapture it without a crusade, you will not gain points in the next year. Only conquest by crusade counts for some reason.