If an individual who applies for or to renew a certification under sub. (1) does not have a social security number, the individual, as a condition of obtaining the certification, shall submit a statement made or subscribed under oath or affirmation to the department that the applicant does not have a social security number. The form of the statement shall be prescribed by the department of children and families. A certification issued or renewed in reliance upon a false statement submitted under this subsection is invalid.