45-7-1 Discharge and cancellation of record of lease--Marginal entry on record. 45-7-2 Discharge and cancellation by endorsement on original lease--Entry on margin of record. 45-7-3 Expiration or forfeiture of lease--Release of record. 45-7-4 Demand for release--Service upon lease owner of record--Form. 45-7-5 Affidavit as to demand for release--Filing with register of deeds. 45-7-6 Action by owner of lease to determine rights--Lis pendens notice--Affidavit as to demand for release not recorded. 45-7-7 Affidavit as to demand for release--Recording by register of deeds, effect. 45-7-8 Action to obtain release--Damages--Attorney fees. 45-7-9 Extension of lease on occurrence of contingency--Effect--Recording.