Page 67 - 2022 OUTLINE OF THE MINISTRY OF THE INTERIOR REPUBLIC OF CHINA

6. Establishing 3D Cadaster
In order to establish 3D cadastral foundation and move towards 3D Smart Nation, the MOI sub-
sidized municipal, city, and county governments during 2021 to 2025 to build 3D cadastral building

models of newly registered houses and location data of existing houses, and convene "National Map
Task Force". In 2021, the MOI has subsidized the building of 110,728 3D cadastral building models
of new houses, and 1,862,847 location data of existing houses. In the future, the 3D national map

will import the information above, and the cross-domain data will be combined to optimize deci-
sion-making and accelerate the development of a "Digital Twin".

X. Territorial Administration

1. Examining Applications for Delineation of the Course for Laying, Maintain-
ing, and Modifying Submarine Cables or Pipelines on the Continental Shelf
of the R.O.C.
According to the Regulations of Permission on Delineation of the Course for Laying, Maintaining and

Modifying Submarine Cables or Pipelines on the Continental Shelf of the Republic of China, the MOI has
conducted nine examination meetings in 2021, approving 6 surveying applications, 1 laying applications,
and 10 one-year-term maintenance applications. In addition, the MOI also approved 16 applications for

emergency maintenance, approved 5 applications for laying extension, retained 17 reports on emergency
maintenance for future reference, accepted 3 reports on surveying, and accepted 2 reports on laying sub-
marine cables.

2. Commissioning the Marine Surveying and Multi-dimensional Map Data Ap-
plication Development Project
In order to promote the development of maritime space information, fully utilize the application
benefits of the map information industry, and practice the policy goals of intelligent shipping, MOI has

implemented the "Marine Surveying and Multi-dimensional Map Data Application Development Proj-
ect" (2021-2026) since 2021. We constantly conducting annual and staged surveys of water depth data
in the surrounding waters of Taiwan, electronic navigation chart surveys and maintenance, monitoring
and management of island and reef changes, development of water depth analysis technology, marine

data application and map data value-added services, as well as law of the sea and political research
and analysis, etc. In addition to assisting the evaluation and application of all circles in the management
of maritime affairs, search and rescue of shipwrecks, preservation of underwater cultural heritage, mar-

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