If the grantee fails to fulfill the decree according to its terms, upon scire facias to him, a final decree shall be made that his claim is forfeited, and a writ of possession shall issue thereon.
RSA 535:18
RS 203:18. CS 215:18. GS 225:17. GL 244:17. PS 240:17. PL 351 :17. RL 407:17.