With Hong Kong visa-free US
Provide significant recommendations
1. holders of HKSAR passport or British National ( Overseas ) passport and a Hong Kong permanent identity card are able to participate in the Visa Waiver Program (VWP)
2. holders of Hong Kong permanent identity .At a Hong Kong identity card, under date of birth item , be printed with a bunch of symbols and letters, printed on only W, X, a Hong Kong permanent resident identity card number of the first letter P, V , R, M, can not participate in the visa Waiver program (VWP)