Every instrument entitled by law to be recorded, shall be recorded in the order and as of the time when the same is delivered to the registrar for that purpose, and shall be considered as recorded from the time of such delivery; provided that it shall not be lawful for the registrar to accept or enter for record and record any instrument or other paper on any Sunday or legal holiday, or on any Saturday that the registrar’s office remains closed pursuant to law, or on any other day except between the hours of 8:00 a.m. and 3:30 p.m. It is further provided that it shall be lawful for the registrar to enter into a written agreement with any person or association, which agreement authorizes an instrument to be recorded at 8:01 a.m. on a day subsequent to its delivery to the registrar.