"Government agency" means any Federal or State Ministry or Department of Government, and includes(a) a voluntary agency hospital, that is to say, an hospital in Nigeria (not being a hospital operated by the government) which is wholly or partly maintained by the Federation or a State by way of grant in aid or otherwise; (b) a local authority, that is to say, any administration, council or other authority exercising limited governmental powers in a defined area within a State; (c) a statutory corporation, that is to say, a body corporate directly established by law to which in the performance of its functions the Government or a Minister is empowered by law to give directions; and (d) Any company which is owned or controlled by the Government; "Ministry" means a Federal or State Ministry or Department of Government; "Minister" means a Minister of the Federation and a State Commissioner; "Period of emergency" means any period of emergency however declared or notified by or on behalf of the Government or any successor Government; "Person" includes the Government or a Ministry; "War" includes civil war.