The original cadastral maps in the most of Taiwan were mapped during Japanese Occupation Period. Some cadastral lines had been found not consistent with current status due to shrinkage or extension or damage of paper map, frequent land division, natural terrain variation, and artificial boundary changes. Inconsistency might also be the compound results of interweaving of the above factors. For thorough clarification of cadastre, cadastral map correction surveys were conducted during 1956~1972. A pilot plan of cadastral map resurvey was conducted during 1973~1975. In 1975, the Ministry of the Interior amended the “Land Act” and the “Regulations Governing the Implementation of Cadastral Survey” with addition of regulations related to cadastral map resurvey as the legal basis for the cadastral map resurvey. Starting from 1976, the cadastral map resurvey projects were implemented yearly among areas with severely damaged cadastral maps, while urban planning areas were those to be implemented with the priority. The projects of various phases are as shown in the table below:.
| Project title |
Duration |
Parcels
of project |
Total area
of project |
Remark |
| 3-phase 13-year Project |
1976-1988 |
2.372 million |
146,600 hectares |
Phase 1 lasted for 5 years, Phase 2 and 3 3 lasted for 4 years. |
| 1989 Annual Project |
1976-1989 |
125,000 |
7,500
hectares |
Phase 1 lasted for 5 years, Phase 2 and 3 3 lasted for 4 years. |
| Taiwan Province Cadastral Map Resurvey Follow-up Project |
1990-2005 |
3.143 million |
286,600 hectares |
2 phases. Phase 1 lasted for 4 years, Phase 2 lasted for 5 years. |
| Cadastral Map Resurvey Project |
2006-2014 |
1.846 million |
167,000 hectares |
2 phases. Phase 1 lasted for 4 years, Phase 2 lasted for 5 years. |
| Cadastral Map Resurvey Follow-up Project |
2015-2023 |
1.43 million |
183,440 hectares |
2 phases. Phase 1 lasted for 4 years, and Phase 2 lasted for 5 years. |
Operation Procedure of Cadastral Map Resurvey