Reference is made to the following Texas laws, federal laws, departmental rules, and other standards:(1) Texas Department of Mental Health and Mental Retardation (Texas Health and Safety Code, Chapters 531-535);(2) Texas Mental Health Code (Texas Health and Safety Code, §§572.003, 573.022, 573.025, 576.001-.024, 611.002);(3) Treatment of Chemically Dependent Persons (Texas Health and Safety Code, Chapters 461 and 462);(4) 42 Code of Federal Regulations, Part 2;(5) Public Law 99-319, The Protection and Advocacy Act for Mentally Ill Individuals (42 USC §10802, et seq.);(6) Chapter 403, Subchapter K of this title (relating to Client-Identifying Information);(7) Texas Administrative Code (TAC),