Chap. XIII
But any person may put himself upon the Assise concerning a Service, or Land, and besides, concerning demands of service, and concerning the Right of Advowson to any Church. Nor is the party confined to this remedy, as against a stranger merely, but he may avail himself of it against his Lord for the purpose of ascertaining, whether the Lord has greater Right to retain the object in question in his Demesne, or the Tenant to hold it of him. It is easy to form a Writ, adapted to the variety of circumstances.