(b) if the lessee and the assignee have jointly so elected by filing the prescribed form with their fiscal returns under this Part for their respective taxation years that include the particular time, section 125.1 applies to the assignee as ifi. the assignee had leased the property at the particular time from the owner of the property for a term of more than one year, and
ii. the assignee and the owner of the property had jointly elected under the said section 125.1 in respect of the property by filing the prescribed form with their fiscal returns under this Part for their respective taxation years that include the particular time.