{"code":"GOV","codeName":"Government Code","section":"20503","citation":"Gov. Code, § 20503","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"TITLE 2. GOVERNMENT OF THE STATE OF CALIFORNIA [8000. - 22980.]","url":"https://blackletter.si/government-code/title-2"},{"name":"DIVISION 5. PERSONNEL [18000. - 22980.]","url":"https://blackletter.si/government-code/title-2/division-5"},{"name":"PART 3. PUBLIC EMPLOYEES' RETIREMENT SYSTEM [20000. - 21716.]","url":"https://blackletter.si/government-code/title-2/division-5/part-3"},{"name":"CHAPTER 5. Contract Members of System [20460. - 20593.]","url":"https://blackletter.si/government-code/title-2/division-5/part-3/chapter-5"},{"name":"ARTICLE 2. Contract Provisions [20500. - 20516.5.]","url":"https://blackletter.si/government-code/title-2/division-5/part-3/chapter-5/article-2"}],"history":"Added by Stats. 1995, Ch. 379, Sec. 2.   Effective January 1, 1996.","effective":"1996-01-01","html":"<p>Notwithstanding Section <a href=\"/gov/20055\">20055</a>, a contracting agency may amend its contract to remove exclusions prospectively only, and without creating liability for prior service.</p>","text":"Notwithstanding Section 20055, a contracting agency may amend its contract to remove exclusions prospectively only, and without creating liability for prior service.","otherVersions":[],"url":"https://blackletter.si/government-code/contract-provisions-20503","source":"California Legislative Information bulk export (pubinfo)"}