Commerce related courses available for H4 visa holders?

Question

some thing is U.S taxation or accountancy

Answer 1

H4 visas holders may enroll in any learning institution either full-time or part-time. There are no restrictions placed on H4 visa holders with regards to where they can study or what programs/courses they can study.

Take a look at your local community college or university for the more details about the courses they offer.