Singapore legislation
Regulation 22
of Air Navigation (125 — Complex General Aviation) Regulations 2018
Regulation 22
Electronic navigation data management
Subregulation 1
A CGAC holder must not use any electronic navigation data product for any complex general aviation operation unless the Director‑General of Civil Aviation has approved the procedures for ensuring that —
the process applied and the data product delivered meet acceptable standards of integrity; and
the data product is compatible with, and meets the specifications of, the intended function of the equipment that will use the data product.
Subregulation 2
A CGAC holder must ensure that the process and the electronic navigation data product mentioned in paragraph (1)(a) are continuously monitored to ensure that they meet with the standards of integrity.
Subregulation 3
A CGAC holder that uses electronic navigation data product must implement procedures to ensure the timely distribution and insertion of current and unaltered navigation data to each aircraft requiring insertion of such data.