; and all staff and managers engaged in tenant services shall attend both the basic understanding training and the implementation training once annually. (2) Referrals The appropriate agency with respect to each covered housing program shall supply all appropriate staff of the covered housing providers with a referral listing of public contact information for all domestic violence, dating violence, sexual assault, and stalking service providers offering services in its coverage area. (3) Implementation The appropriate agency with respect to each covered housing program shall implement this section, as this section applies to the covered housing program. . 602. Ensuring compliance and implementation