RSA 511:8: Dissolution.

In all counties when an attachment upon real estate is dissolved or the levy thereunder is defeated, the plaintiff or his attorney, upon request, shall give to the defendant or owner of the land a discharge thereof, and the defendant or owner of the land, within 30 days after such attachment is dissolved or levy thereunder defeated, shall cause the discharge to be recorded in the office of the register of deeds in which said attachment or levy is recorded, and shall pay the register of deeds the fee established pursuant to RSA 478:17-g.