The back of the National Mah Jongg League card has information about rules. You also can visit the nationalmahjonggleague.org
You need to buy a card from them to play. You can get it by going to their website and ordering one.
See tab 2025 for current exercise answers.
Most of you are aware there were misprints on the NMJL Cards this year. The League is reprinting the Cards and will be mailing them out as soon as they receive them.