COLACHEL MUNICIPALITY – Important G.Os and Notifications:
| G.O. No. or Circular Date | Subject |
| G.O(Ms) No.52 Dated 30.03.2022 | General Revision of Property Tax and Vacant Land Tax – 2022 |
| G.O.(D) No.298 Dt. 02-09-2020 | Waiver of Payment of Lease and Rental Amount for the month of April and May – 2020 |
| G.O.(Ms) No. 16 Dated 31.01.2020 | Tamilnadu Combined Development and Building Rule 2019 |
| 20.09.2019 | Town Planning Building Plan Permission Circular dated 20.09.2019 |
| 17.09.2018 | Property Tax Re-measurement of Buildings 12 half year-Mask Circular |
| G.O.Ms-No. 73 & 76 Dt.19.07.2018 | Property-Tax-Revision |
| G.O.(M s).No. 238 Dt.02-12-2008 | Colachel Municipality – Upgradation to First Grade – orders-issued |