Code of Federal Regulations Title 42. Public Health § 42.424.37 Evidence of authority to sign on behalf of the beneficiary

(a) Beneficiary incapable. When a party specified in § 424.36(b) signs a claim or request for payment statement, he or she must also submit a brief statement that—

(b) Beneficiary not present for services. When a representative of the provider, nonparticipating hospital, or supplier signs a claim or request for payment statement under § 424.36(c), he or she must explain why it was not possible to obtain the beneficiary's signature. (For example:  “Patient not physically present for test.”)