Before each lottery, the sales data will be sealed by notaries, and then the lottery number will be determined by lottery machine under their supervision. In the lucky draw, first shake out 6 red ball numbers, and then shake out 1 blue ball numbers.
After each lottery, the lottery center and the provincial lottery institutions shall announce the lottery number, the total sales amount of the current period, the winning situation of each prize level and the fund balance of the prize pool to the public, and notify the sales outlets of the lottery results.
Related instructions
China welfare lottery "two-color ball" is a kind of "lottery-type" welfare lottery which is uniformly organized and distributed by China Welfare Lottery Distribution Management Center and sold nationwide. Since February 16, 2003, it has been sold on the national network. The computer network system is used for distribution and sales, and TV lottery is held regularly.
The provincial welfare lottery distribution center participating in the sales of "two-color ball" is responsible for the specific organization and management of the sales activities of "two-color ball" in this area under the direct leadership of Zhongfucai Center. The "two-color ball" lottery ticket is purchased voluntarily, and all buyers are deemed to agree and abide by these rules.
Reference to the above content: Baidu Encyclopedia-China Welfare Lottery