Construction companies, doing business in the District of Columbia at any time from July 2nd of the preceding tax year to July 1st of the current tax year, shall apportion the current value of tangible personal property as of July 1st of the current tax year in accordance with the number of days the tangible personal property was temporarily located in the District of Columbia.
Any person owning or holding in trust any tangible personal property located or having taxable situs in two (2) or more business locations within the District of Columbia on the assessment date shall report all tangible personal property on one return.
Any nonprofit organization which does not have a personal property tax exemption shall report for assessment and taxation on the return any tangible personal property which is located or has taxable situs in the District of Columbia on the assessment date.
The fiduciary shall report on the return any tangible personal property held in trust which is located or has a taxable situs in the District of Columbia on the assessment date and is used or available for use in a trade or business.
The owner of any tangible personal property is generally the holder of legal title except in either of the following circumstances:
Any tangible personal property idle or not placed in service and located or having a taxable situs in the District of Columbia on the assessment date shall be reported for assessment and taxation on the return by the owner.
Any tangible personal property available for use or being used for emergency or back-up purposes and located or having a taxable situs in the District of Columbia shall be reported for assessment and taxation on the return by the owner.
Any tangible personal property that is part of construction in progress performed by the owner for eventual use in the owner's business shall be reported for assessment and taxation on the return if the tangible personal property is located or has a taxable situs in the District of Columbia on the assessment date.
Any tangible personal property which is moving through the District of Columbia or which is consigned to a warehouse in the District of Columbia for storage or assembly and which is in transit to a final destination outside the District of Columbia acquires no taxable situs in the District of Columbia and shall be exempt from taxation.
Any tangible personal property claimed to have no situs in the District of Columbia shall be entered in the records of the warehouse in which it is located as property in transit.
The records required under § 704.10 shall include the following:
Any tangible personal property that is no longer in import transit and that comes to rest in the District of Columbia on the assessment date shall be reported on the return for assessment and taxation by the owner.
D.C. Mun. Regs. tit. 9, r. 9-704