In enacting this chapter, it is the intent of the Legislature to establish the Housing and Disability Income Advocacy Program under which counties, tribes, or combinations of counties or tribes assist Californians with disabilities who may be experiencing homelessness, to increase participation among individuals who may be eligible for disability benefits programs, including, but not limited to, the Supplemental Security Income/State Supplementary Program for the Aged, Blind, and Disabled (SSI/SSP), the federal Social Security Disability Insurance (SSDI) program, the Cash Assistance Program for Immigrants, and veterans benefits provided under federal law, including disability compensation.