Recipients exempted from active work search activities due to incapacity or a disability shall receive services for which they are eligible, including aged, blind, or disabled assistance benefits as they relate to the facilitation of enrollment in the federal supplemental security income program, referrals to essential needs and housing support benefits, access to chemical dependency treatment, referrals to vocational rehabilitation, and other services needed to assist the recipient in becoming employable. Aged, blind, or disabled assistance and essential needs and housing support benefits shall not supplant cash assistance and other services provided through the temporary assistance for needy families program. To the greatest extent possible, services shall be funded through the temporary assistance for needy families appropriations.