17Cure of defective disentailing assurance

### 17 Cure of defective disentailing assurance > Where a person entitled in remainder to an entailed interest in any land has made an assurance thereof which fails to bar the issue in tail or the estates and interests taking effect on the determination of the entailed interest, or fails to bar the last-mentioned estates and interests only, and any person takes possession of the land by virtue of the assurance and that person or any other person (other than a person entitled to possession by virtue of a settlement) is in possession of the land for a period of 12 years from the commencement of the time at which the assurance, if it had then been executed by the person entitled to the entailed interest, would have operated, without the consent of any other person, to bar the issue in tail and the estates and interests taking effect on the determination of the entailed interest, then, at the expiration of that period, the assurance shall operate and shall be deemed always to have operated, to bar the issue in tail and those estates and interests.