; (C) any land on which the seat of the Tribal government is located; and (D) any land that is part or all of a Tribal designated statistical area associated with an Indian Tribe, or is part or all of an Alaska Native village statistical area associated with an Indian Tribe, as defined by the Census Bureau for the purposes of the most recent decennial census. (4) The term Office means the Office of Democracy Advancement and Innovation established under section 105. (5) The term Program means the Democracy Advancement and Innovation Program established under section 101. (6) The term State means each of the several States, the District of Columbia, the Commonwealth of Puerto Rico, Guam, American Samoa, the United States Virgin Islands, and the Commonwealth of the Northern Mariana Islands. (7) The term Trust Fund means the State Election Assistance and Innovation Trust Fund established under section 201. 302. Rule of construction regarding calculation of deadlines (a) In general With respect to the calculation of any period of time for the purposes of a deadline in this Act, the last day of the period shall be included in such calculation, unless such day is a Saturday, a Sunday, or a legal public holiday, in which case the period of such deadline shall be extended until the end of the next day which is not a Saturday, a Sunday, or a legal public holiday. (b) Legal public holiday defined For the purposes of this section, the term legal public holiday means a day described in section 6103(a) of title 5, United States Code. 303. Severability If any provision of this Act or any amendment made by this Act, or the application of any such provision or amendment to any person or circumstance, is held to be unconstitutional, the remainder of such Act and amendments made by such Act and the application of such provision or amendment to any other person or circumstance, shall not be affected by the holding.