D.C. Mun. Regs. tit. 3, § 707
707.1 Polling place officials shall act as liaison with poll watchers or election observers as provided in this section.
707.2 The Precinct Captain at each polling place shall be the representative of the Board to whom the poll watchers or election observers shall direct all questions and comments.
707.3 Prior to the commencement of counting, the Board shall identify those representatives to whom poll watchers or election observers shall direct all questions and comments.
707.4 If a poll watcher or election observer has any question, or claims any discrepancy or error in the voting or the counting of the vote, the watcher or observer shall direct the question or complaint to the election official in charge.
SOURCE: Final Rulemaking published at 39 D.C. Reg. 2467, 2482-84 (April 10, 1992); as amended by Final Rulemaking published at 51 D.C. Reg. 7406-7407 (July 30, 2004); and as amended by Final Rulemaking published at 57 D.C. Reg. 4245, 4253 (May 14, 2010).