Section 1254.44 - How long may I use a microfilm reader?(a) Use of the microfilm readers in the National Archives Building is on a first-come-first served basis.(b) Archival operations directors at our regional archives may permit reservations for use of microfilm readers and set time limits on use to meet local circumstances.69 FR 39314, June 30, 2004, as amended at 75 FR 10415, Mar. 8, 2010