36 CFR §21.8

1. (a)Employees engaged as physical therapists must be licensed or certified by a State or territory of the United States to practice
2. (b)Employees engaged as physical therapy aids or physical therapy technicians will be certified by the Superintendent upon completion of an examination.
3. (c)Employees engaged as masseurs or masseuses must be licensed or certified by a State or territory of the United States, or be certified by the Superintendent upon the completion of an examination.
4. (d)Employees engaged as bath attendants will be certified by the Superintendent upon completion of an apprenticeship and an examination.