The Ministry of Communication and Aviation (MCA) is the Government authority responsible for the Solomon Islands Airports Corporation Limited (SIACL) and the Solomon Islands Postal Corporation (SIPC). These state owned enterprises fall under the mandate of the MCA in the communication and civil aviation sectors. The Ministry maintains operational oversight of these enterprises through relevant Acts of Parliament which also gives the Minister of Communication and Aviation (MCA) the power to appoint directors to the boards of these state owned enterprises.