2022-23 Certified Chemical Test Operators
| Date Issued | Supplement | |
|---|---|---|
| June 2023 | Eleventh Supplement to July 1, 2022 | |
| May 2023 | Tenth Supplement to July 1, 2022 | Download |
| April 2023 | Ninth Supplement to July 1, 2022 | Download |
| March 1, 2023 | Eighth Supplement to July 1, 2022 | Download |
| February 1, 2023 | Seventh Supplement to July 1, 2022 | Download |
| January 3, 2023 | Sixth Supplement to July 1, 2022 | Download |
| December 1, 2022 | Fifth Supplement to July 1, 2022 | Download |
| November 1, 2022 | Fourth Supplement to July 1, 2022 | Download |
| October 3, 2022 | Third Supplement to July 1, 2022 | Download |
| September 1, 2022 | Second Supplement to July 1, 2022 | Download |
| August 2, 2022 | First Supplement to July 1, 2022 | Download |
| July 1, 2022 | Download |
2021-22 Certified Chemical Test Operators
| Date Issued | Supplement | |
|---|---|---|
| June 2022 | Eleventh Supplement to July 1, 2021 | Download |
| May 2022 | Tenth Supplement to July 1, 2021 | Download |
| April 2022 | Ninth Supplement to July 1, 2021 | Download |
| March 1, 2022 | Eighth Supplement to July 1, 2021 | Download |
| February 1, 2022 | Seventh Supplement to July 1, 2021 | Download |
| January 3, 2022 | Sixth Supplement to July 1, 2021 | Download |
| December 1, 2021 | Fifth Supplement to July 1, 2021 | Download |
| November 1, 2021 | Fourth Supplement to July 1, 2021 | Download |
| October 1, 2021 | Third Supplement to July 1, 2021 | Download |
| September 1, 2021 | Second Supplement to July 1, 2021 | Download |
| August 2, 2021 | First Supplement to July 1, 2021 | Download |
| July 1, 2021 | Download |
2020-21 Certified Chemical Test Operators
| Date Issued | Supplement | |
|---|---|---|
| June 29, 2021 | Addendum - Eighth Supplement to July 1, 2020 | Download |
| June 29, 2021 | Addendum - Seventh Supplement to July 1, 2020 | Download |
| June 1, 2021 | Eleventh Supplement to July 1, 2020 | Download |
| May 3, 2021 | Tenth Supplement to July 1, 2020 | Download |
| April 1, 2021 | Ninth Supplement to July 1, 2020 | Download |
| March 1, 2021 | Eighth Supplement to July 1, 2020 | Download |
| February 1, 2021 | Seventh Supplement to July 1, 2020 | Download |
| January 4, 2021 | Sixth Supplement to July 1, 2020 | Download |
| December 1, 2020 | Fifth Supplement to July 1, 2020 | Download |
| November 2, 2020 | Fourth Supplement to July 1, 2020 | Download |
| October 1, 2020 | Third Supplement to July 1, 2020 | Download |
| September 1, 2020 | Second Supplement to July 1, 2020 | Download |
| August 3, 2020 | First Supplement to July 1, 2020 | Download |
| July 1, 2020 | Download |
| Date Issued | Supplement | |
|---|---|---|
| June 1, 2020 | Eleventh Supplement to July 1, 2019 | Download |
| May 1, 2020 | Tenth Supplement to July 1, 2019 | Download |
| April 1, 2020 | Ninth Supplement to July 1, 2019 | Download |
| March 2, 2020 | Eighth Supplement to July 1, 2019 | Download |
| February 3, 2020 | Seventh Supplement to July 1, 2019 | Download |
| January 2, 2020 | Sixth Supplement to July 1, 2019 | Download |
| December 3, 2019 | Correction to Fifth Supplement to July 1, 2019 | Download |
| December 2, 2019 | Fifth Supplement to July 1, 2019 | Download |
| November 1, 2019 | Fourth Supplement to July 1, 2019 | Download |
| October 1, 2019 | Third Supplement to July 1, 2019 | Download |
| September 3, 2019 | Second Supplement to July 1, 2019 | Download |
| August 1, 2019 | First Supplement to July 1, 2019 | Download |
| July 1, 2019 | Download |
| Date Issued | Supplement | |
|---|---|---|
| June 3, 2019 | Eleventh Supplement to July 1, 2018 | Download |
| May 1, 2019 | Tenth Supplement to July 1, 2018 | Download |
| April 1, 2019 | Ninth Supplement to July 1, 2018 | Download |
| March 1, 2019 | Eighth Supplement to July 1, 2018 | Download |
| February 1, 2019 | Seventh Supplement to July 1, 2018 | Download |
| January 2, 2019 | Sixth Supplement to July 1, 2018 | Download |
| December 3, 2018 | Fifth Supplement to July 1, 2018 | Download |
| November 1, 2018 | Fourth Supplement to July 1, 2018 | Download |
| October 1, 2018 | Third Supplement to July 1, 2018 | Download |
| September 4, 2018 | Second Supplement to July 1, 2018 | Download |
| August 1, 2018 | First Supplement to July 1, 2018 | Download |
| July 1, 2018 | Download |
| Date Issued | Supplement | |
|---|---|---|
| June 1, 2018 | Eleventh Supplement to July 1, 2017 | Download |
| May 1, 2018 | Tenth Supplement to July 1, 2017 | Download |
| April 2, 2018 | Ninth Supplement to July 1, 2017 | Download |
| March 1, 2018 | Eighth Supplement to July 1, 2017 | Download |
| February 1, 2018 | Seventh Supplement to July 1, 2017 | Download |
| January 2, 2018 | Sixth Supplement to July 1, 2017 | Download |
| December 1, 2017 | Fifth Supplement to July 1, 2017 | Download |
| November 2, 2017 | Fourth Supplement to July 1, 2017 | Download |
| October 2, 2017 | Third Supplement to July 1, 2017 | Download |
| September 1, 2017 | Second Supplement to July 1, 2017 | Download |
| August 1, 2017 | First Supplement to July 1, 2017 | Download |
| July 5, 2017 | Correction to July 1, 2017 | Download |
| July 1, 2017 | Download |
| Date Issued | Supplement | |
|---|---|---|
| June 1, 2017 | Eleventh Supplement to July 1, 2016 | Download |
| May 1, 2017 | Tenth Supplement to July 1, 2016 | Download |
| April 3, 2017 | Ninth Supplement to July 1, 2016 | Download |
| March 1, 2017 | Eighth Supplement to July 1, 2016 | Download |
| February 1, 2017 | Seventh Supplement to July 1, 2016 | Download |
| January 5, 2017 (Revised) | Sixth Supplement to July 1, 2016 | Download |
| January 3, 2017 | Sixth Supplement to July 1, 2016 | Download |
| December 1, 2016 | Fifth Supplement to July 1, 2016 | Download |
| November 1, 2016 | Fourth Supplement to July 1, 2016 | Download |
| October 1, 2016 | Third Supplement to July 1, 2016 | Download |
| September 1, 2016 | Second Supplement to July 1, 2016 | Download |
| August 1, 2016 | First Supplement to July 1, 2016 | Download |
| July 1, 2016 | Download |
| Date Issued | Supplement | |
|---|---|---|
| June 1, 2016 | Eleventh Supplement to July 1, 2015 | Download |
| May 13, 2016 (Revised) | Tenth Supplement to July 1, 2015 | Download |
| May 2, 2016 | Tenth Supplement to July 1, 2015 | Download |
| April 1, 2016 | Ninth Supplement to July 1, 2015 | Download |
| March 1, 2016 | Eighth Supplement to July 1, 2015 | Download |
| February 1, 2016 | Seventh Supplement to July 1, 2015 | Download |
| January 4, 2016 | Sixth Supplement to July 1, 2015 | Download |
| December 1, 2015 | Fifth Supplement to July 1, 2015 | Download |
| November 2, 2015 | Fourth Supplement to July 1, 2015 | Download |
| October 1, 2015 | Third Supplement to July 1, 2015 | Download |
| September 1, 2015 | Second Supplement to July 1, 2015 | Download |
| August 3, 2015 | First Supplement to July 1, 2015 | Download |
| July 1, 2015 | Download |