D.C. Mun. Regs. tit. 19, § 499
When used in this chapter the following words shall have the following meanings:
Center -- the Walter E. Washington Convention Center located at 801 Mount Vernon Place, NW, Washington, DC.
Convention event -- an event for which a reservation of space at the Center includes a commitment to purchase at least 2,500 peak room nights in hotels within the District of Columbia, as determined by the Corporation.
Corporation -- the Washington Convention and Tourism Corporation or its successor entity.
First priority -- a 'Convention event' as defined in this section.
Fourth priority -- a Non-convention event for which a reservation of space at the Center may or may not include a commitment to purchase room nights in hotels within the District of Columbia and which describes a one-day meeting or assembly.
Non-convention event -- an event other than a Convention event for which a reservation of space at the Center may or may not include a commitment to purchase room nights in hotels within the District of Columbia and which describes a second, third or fourth priority booking.
Second priority -- a Non-convention event for which a reservation of space at the Center may or may not include a commitment to purchase room nights in hotels within the District of Columbia and which describes a public consumer show, tradeshow or similar assembly.
Third priority -- a Non-convention event for which a reservation of space at the Center may or may not include a commitment to purchase room nights in hotels within the District of Columbia and which describes a local or regional multiple day meeting or assembly.
SOURCE: Final Rulemaking published at 50 DCR 3035 (April 18, 2003); and as amended by Final Rulemaking published at 56 DCR 1815 (February 27, 2009).