.51 In determining if good cause existed for failure to comply with the SSN requirement to apply for or provide the CWD with an SSN, the CWD shall consider information provided by the household member and SSA. Documentary evidence or collateral information that the household member has applied for an SSN or made every effort to supply SSA with the necessary information to complete and application for an SSN shall be considered good cause for not complying timely with this requirement.