Character references: Applicants must provide a total of four (4) character references. Referees must complete and sign form PPB6/ PPB6A in the appropriate area, and also must complete and notarize the Character Reference Letter (WCPD-126L). All persons providing a character reference on be half of an applicant may not be related to the applicant by consanguinity (blood or ancestry) or by marriage (in-law) and mu st have known the applicant for a sufficient period of time to establish that the applicant is a person of good moral character.