To Collect from property which is not bound to anyone else, automatically: Ketuvot 21a
Authority of a Bill where there is no explicit condition entitling the owner to collect property which is bound to others: Bava Metzia 12b, 13a, 13b
Whether a scribe must ask before writing a condition allowing collection of bound-properties & the value of improvements made to the property from the finest property: Bava Metzia 14a, 15a
A document which is ready for collection is as though it had already been implemented: Bava Metzia 62a