In lieu of filing all financing statements, termination statements, partial releases, assignments, or other related papers falling under this code, the filing officer may record such papers. He may employ a system of microphotography. All film used in the microphotography process shall comply with minimum standards of quality approved by the United States Bureau of Standards and the American National Standards Insti- tute. A true copy of the microfilm shall be kept in a safe and separate place for security purposes.