You should be able to play in free country club tournaments as for premium tournaments for credits it depends on what state you live in. Here is some information from the FAQ's.....
Skill Gaming: Ready-Go Tournaments and Match Play Challenges fall under Skill Gaming, which certain countries and US states prohibit.
The U.S. states that do not allow skill-based gaming are: Arizona, Arkansas, Connecticut, Delaware, Florida, Iowa, Illinois, Louisiana, Maryland, Montana, South Carolina, South Dakota, Tennessee, and Vermont
The countries that do not allow skill-based gaming are: Brazil, Argentina, the People's Republic of China, South Korea, Ja
And you wouldn't be trying to give credits to a 2nd account would you? Just saying!
Cheers