Note that if the "tenants" wish to alter more or anything else into the rental room area must obtain permission from the "the rent" written before acting.
Incidentally, if the "buyer" would be modified. Or add anything to the area this morning again. Must obtain permission from the "lessor" in writing before you do it.
Likewise, if "the tenants" wishes to modification. Or more things into the room for rent, must get permission from the lessor. "" is written before action.