According to section 20 of the Lands Commission Act (Act 767) the functions of the Survey and Mapping Division are as follows:
- Supervise, regulate and control the survey and demarcation of land for the purposes of land use and land registration;
- Take custody of and preserve records and operations relating to the survey of any parcel of land;
- Direct and supervise the conduct of trigonometric, hydrographic and topographical surveys;
- Coordinate the preparation of plans from the data derived from survey and any amendment of the plans;
- Coordinate the production of photogrammetric surveys (aerial photography, orthophoto mapping, etc
- Survey, map and maintain the national territorial boundaries including maritime boundaries;
- Develop and maintain the national geodetic reference network for the country;
- Supervise, regulate, control and certify the production of maps;
- Other functions determined by the Commission.