--- type: "Bill" title: "Dogs and cats: microchip implants." description: "Existing law requires that the holding period for a stray dog or cat impounded in a shelter be 6 business days, not including the day of impoundment, with exceptions, as provided. Existing law requires a shelter, during this holding period and before adoption or euthanasia, to scan the dog or cat for a microchip that identifies the owner of that dog or cat and to make reasonable efforts to contact the owner." jurisdiction: "us/states/ca" legislature: "California Legislature" session: "20192020" identifier: "SB 573" citation: "California SB 573 (20192020)" classification: ["bill"] subjects: ["Dogs and cats: microchip implants."] status: "enacted" primary_sponsors: ["Chang"] version_count: 6 action_count: 29 vote_count: 9 first_action: "2019-02-22" last_action: "2020-09-18" source: "openstates" source_identifier: "ocd-bill/759212a0-babc-46c6-9439-e9ecfd0f77ff" source_url: "http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200SB573" source_hash: "abbfd2350e38bc1f2a7e666e57f420af27781ffd2835048c4c69b5cb22f418a0" vintage: "2026-07-01" source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump" retrieved_at: "2026-07-06" confidence: "reported" tags: ["legislation", "bill", "us-ca"] --- # California SB 573 (20192020) — Dogs and cats: microchip implants. Existing law requires that the holding period for a stray dog or cat impounded in a shelter be 6 business days, not including the day of impoundment, with exceptions, as provided. Existing law requires a shelter, during this holding period and before adoption or euthanasia, to scan the dog or cat for a microchip that identifies the owner of that dog or cat and to make reasonable efforts to contact the owner. ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **02/22/19 - Introduced** (filed) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB573&version=20190SB57399INT) 2. **02/10/20 - Amended Assembly** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB573&version=20190SB57397AMD) 3. **05/21/19 - Amended Senate** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB573&version=20190SB57398AMD) 4. **09/18/20 - Chaptered** (committee substitute) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB573&version=20190SB57395CHP) 5. **SB573** (committee substitute) — [source](http://leginfo.legislature.ca.gov/faces/billNavClient.xhtml?bill_id=201920200SB573) 6. **09/02/20 - Enrolled** (enrolled) — [source](https://leginfo.legislature.ca.gov/faces/billPdf.xhtml?bill_id=201920200SB573&version=20190SB57396ENR) ## Votes - Be re-referred to the Committee on [Business and Professions] — **9–0** (pass) · lower - Placed on suspense file — **6–0** (pass) · upper - Do pass as amended, and be re-referred to the Committee on [Appropriations] with recommendation: To Consent Calendar — **19–0** (pass) · lower - Do pass, but first be re-referred to the Committee on [Appropriations] — **9–1** (pass) · upper - Do pass as amended — **6–0** (pass) · upper - SB 573 Chang Consent Calendar Second Day — **75–0** (pass) · lower - Unfinished Business SB573 Chang Concurrence — **39–0** (pass) · upper - Do pass. To Consent Calendar. — **18–0** (pass) · lower - 3rd Reading — **38–0** (pass) · upper ## Sponsors - Chang — primary (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2019-02-22** Introduced. To Com. on RLS. for assignment. To print. `introduction` - **2019-02-25** From printer. May be acted upon on or after March 27. - **2019-02-25** Read first time. `reading-1` - **2019-03-07** Referred to Com. on HOUSING. `referral-committee` - **2019-03-15** Set for hearing April 2. - **2019-04-03** From committee: Do pass and re-refer to Com. on APPR. (Ayes 9. Noes 1. Page 552.) (April 2). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee` - **2019-04-05** Set for hearing April 22. - **2019-04-22** April 22 hearing: Placed on APPR. suspense file. - **2019-05-10** Set for hearing May 16. - **2019-05-20** From committee: Do pass as amended. (Ayes 6. Noes 0. Page 1103.) (May 16). `committee-passage-favorable, committee-passage, amendment-passage` - **2019-05-21** Read second time and amended. Ordered to third reading. `amendment-passage, reading-1, reading-2` - **2019-05-28** Read third time. Passed. (Ayes 38. Noes 0. Page 1339.) Ordered to the Assembly. `passage, reading-3, reading-1` - **2019-05-28** In Assembly. Read first time. Held at Desk. `reading-1` - **2019-06-06** Referred to Com. on H. & C.D. `referral-committee` - **2019-07-03** July 3 set for first hearing canceled at the request of author. - **2020-02-10** From committee with author's amendments. Read second time and amended. Re-referred to Com. on H. & C.D. `reading-1, reading-2, amendment-passage, committee-passage, referral-committee` - **2020-02-24** Re-referred to Com. on RLS. pursuant to Assembly Rule 96. `referral-committee` - **2020-06-18** From committee: Be re-referred to Com. on B. & P. (Ayes 9. Noes 0.) (June 18). Re-referred to Com. on B. & P. `committee-passage, referral-committee` - **2020-07-27** July 27 hearing postponed by committee. - **2020-08-11** From committee: Do pass and re-refer to Com. on APPR. with recommendation: To consent calendar. (Ayes 19. Noes 0.) (August 10). Re-referred to Com. on APPR. `committee-passage-favorable, committee-passage, referral-committee` - **2020-08-18** From committee: Do pass. Ordered to consent calendar. (Ayes 18. Noes 0.) (August 18). `committee-passage-favorable, committee-passage` - **2020-08-19** Read second time. Ordered to consent calendar. `reading-1, reading-2` - **2020-08-30** Read third time. Passed. (Ayes 75. Noes 0. Page 5282.) Ordered to the Senate. `passage, reading-3, reading-1` - **2020-08-30** In Senate. Concurrence in Assembly amendments pending. - **2020-08-30** Ordered to special consent calendar. - **2020-08-30** Assembly amendments concurred in. (Ayes 39. Noes 0.) Ordered to engrossing and enrolling. `amendment-passage, committee-passage-favorable` - **2020-09-08** Enrolled and presented to the Governor at 2 p.m. - **2020-09-18** Approved by the Governor. `executive-signature` - **2020-09-18** Chaptered by Secretary of State. Chapter 108, Statutes of 2020. ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/759212a0-babc-46c6-9439-e9ecfd0f77ff`. Confidence: reported (aggregated from official California legislature records).