Time as specified within 105 CMR 100.000, or as otherwise used within the Determination of Need Process, shall include every calendar day, whether the Department is open for business on that day or not, except that, when the last day of a specified period of time falls on a day when the Department is closed for business, such period shall end, instead, on the next day on which the Department is open for business.
105 CMR, § 100.105