20 C.F.R. § 355.3
(a) Claims.
(1) Except as provided in paragraph (c) of this section, any person who makes, presents, or submits or causes to be made, presented, or submitted, a claim that the person knows or has reason to know—
(iii) Includes or is supported by any written statement that—
(b) Statements.
(1) Except as provided in paragraph (c) of this section, any person who makes, presents, or submits, or causes to be made, presented, or submitted, a written statement that—
(i) The person knows or has reason to know—
(c) Claims and statements relating to benefits under the Railroad Retirement Act.
(1) In the case of any claim or statement made by any individual relating to any of the benefits listed in paragraph (c)(2) of this section received by such individual, such individual may be held liable for penalties and assessments under this section only if such claim or statement is made by such individual in making application for such benefits with respect to such individual's eligibility to receive such benefits, and with respect to such claim or statement, the individual—