[Code of Federal Regulations] [Title 39, Volume 1] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 39CFR954.23] [Page 273] TITLE 39--POSTAL SERVICE CHAPTER I--UNITED STATES POSTAL SERVICE PART 954_RULES OF PRACTICE IN PROCEEDINGS RELATIVE TO THE DENIAL, SUSPENSION, OR REVOCATION OF PERIODICALS MAIL PRIVILEGES--Table of Contents Sec. 954.23 Computation of time. A designated period of time under these rules excludes the day the period begins, and includes the last day of the period unless the last day is a Saturday, Sunday, or holiday, in which event the period runs until the close of business on the next working day.