D.C. Mun. Regs. tit. 30, § 941
941.1 Lotto America Prize Pool. The prize pool for all prize categories shall consist of fifty percent (50%) of each Drawing period's Lotto America sales, inclusive of any specific statutorily mandated tax of the Office to be included in the price of a Play, and including contributions to the prize pool accounts and prize reserve accounts but may be higher or lower based upon the number of winners at each prize level.
941.2 Lotto America Prize Pool Accounts and Prize Reserve Accounts. The Lotto America Product Group shall set the contribution rates to the prize pools and prize reserve accounts established by this Rule. The following prize reserve accounts for the Lotto America game are hereby established:
(a) The Prize Reserve Account ("PRA") which is used to guarantee the payment of valid, but unanticipated, Grand Prize claims that may result from a system error or other reason; to fund deficiencies in low-tier Lotto America Game prize payments (subject to the limitations of these rules); deficiencies in guaranteed Grand Prize funding if approved by the Group; and for other purposes as established in these Rules.
(b) The following prize pool accounts for the Lotto America game are hereby established:
(1) The Grand Prize Pool ("GPP"), which is used to fund the current Grand Prize;
(2) The Set Prize Pool ("SPP") is used to fund the Set Prizes. The SPP shall hold the temporary balances that may result from having fewer than expected winners in the Set Prize (aka low-tier prize) categories. The Source of the SPP is the Party Lottery's weekly prize contributions less actual Set Prize liability;
(3) The Set-Aside Pool ("SAP"), which is used to fund the payment of the awarded minimum starting annuity Grand Prizes and the minimum annuity Grand Prize increase, if necessary (subject to the limitations in these rules), as may be set by the Product Group; and
(4) The Grand Prize Carry Forward Pool ("GPCFP"), which is used to fund the starting minimum annuity Grand Prize, as may be set by the Product Group, if such funds are available, and if sales do not fund the Grand Prize.
SOURCE: Final Rulemaking published at 51 DCR 2400 (March 5, 2004); as amended by Final Rulemaking published at 60 DCR 6656 (May 10, 2013); as amended by Final Rulemaking published at 72 DCR 010754 (October 3, 2025).