D.C. Mun. Regs. tit. 30, § 906
906.1 POWERBALL(R) is a five (5) out of fifty-nine (59) plus one (1) out of thirty-nine (39) online lottery game which pays the Grand Prize, at the player's election, on an annuitized pari-mutuel basis or as a cash lump sum payment of the total cash held for this prize pool on a pari-mutuel basis. Except as provided in these rules, all other prizes are paid on a fixed cash basis. To play POWERBALL(R), a player must select five (5) different numbers, between one (1) and fifty-nine (59) and one additional number between one (1) and thirty-nine (39) for input into a terminal.
906.2 If a single ticket contains more than one (1) winning play on separate game boards, the prize amounts shall be added together and shall be paid in accordance with the prize payment limits set forth in §§906.3 and 909.
906.3 The holder of a winning POWER BALL® ticket may win in only one prize category per board in connection with the winning numbers drawn, and shall be entitled only to the prize for the highest prize category won by those numbers.
906.4 The price of a POWER BALL® game ticket shall be one play for one dollar ($1) or any other price designated by the Executive Director from a price schedule adopted by the Board pursuant to §500.1.
SOURCE: Final Rulemaking published at 39 DCR 7439, 7459 (October 2, 1992), 50 DCR 1526 (February 14, 2003), 52 DCR 7224 (August 5, 2005) and 56 DCR 73 (January 2, 2009).