HOLIDAYS THAT FALL ON A SATURDAY For those employees assigned to a work week of Monday through Friday, and in the event a legal holiday falls on Saturday, the preceding Friday shall be observed as a holiday; provided, however, that except where the Governor declares that such preceding Friday shall be a legal holiday, each department head shall make provision for the staffing of public offices under his/her jurisdiction on such preceding Friday so that said public offices may serve the public as provided in Section 16.4 of the Administrative Code. Those employees who work on a Friday which is observed as a holiday in lieu of a holiday falling on Saturday shall be allowed a day off in lieu thereof as scheduled by the appointing officer in the current fiscal year.