[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR13.91] [Page 275] TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY PART 13_LABELING PROCEEDINGS--Table of Contents Subpart F_Miscellaneous Sec. 13.91 Computation of time. In computing any period of time prescribed or allowed by this part, the day of the act, event or default after which the designated period of time is to run, is not counted. The last day of the period to be computed is counted, unless it is a Saturday, Sunday, or legal holiday, in which case the period runs until the next day that is not a Saturday, Sunday, or legal holiday. Papers or documents that are required or permitted to be filed under this part must be received at the appropriate office within the filing time limits, if any.