In my jurisdictions those who give body massage must be licensed. If you are talking about what I think you are talking about with respect to an "adult" body massage or rub, that is not legal anywhere save a very few limited jurisdictions in the entire country.
This answer is offered for informational purposes only. It is not offered as, and does not constitute, legal advice. Laws vary widely from state to state. You should rely only on the advice given to you during a personal consultation by a local attorney who is thoroughly familiar with state laws and the area of practice in which your concern lies.