(1) Do not sign this agreement if any of the spaces intended for the agreed terms are left blank. (2) I am entitled to a copy of this agreement at the time I sign it. (3) I may at any time pay off the full unpaid balance under this agreement. (4) I may cancel a purchase under this agreement if it has been consummated by a party thereto at a place other than the address of the seller which may be his main office or branch thereof: provided; I notify the seller in writing at his main office or branch by ordinary mail posted, by telegram sent or by delivery, not later than midnight of the third buisness day following a purchase under this agreement.