Maritime cabotage is reserved to Angolan citizens and companies wholly-owned by Angolan citizens.
"ARTICLE 2 (Definition)
1. The shipowner who carries out the activity of maritime transport is called commercial shipowner.
2. The shipowner can be of the following types:
a) cabotage, maritime transport of goods and passengers between national ports, including support for oil activities and reserved exclusively for nationals;
b) long distance, maritime transport of goods and passengers carried out with the ports of foreign countries.
[...]
ARTICLE 3 (Registration)
1. The exercise of trade shipowner activity requires registration with the Maritime and Port Institute of Angola.
2. Entities whose corporate purpose and main activity is maritime transport and which meet the following requirements may register as commercial shipowners: a) commercial companies with headquarters and establishment in national territory; [...] (Presidential Decree n.º 54/14: Approves the Regulation on Maritime Transport Activity [google translation])
Presidential Decree n.º 54/14: Approves the Regulation on Maritime Transport Activity [google translation]
[<a href="http://extwprlegs1.fao.org/docs/pdf/ang132013.pdf">Decree</a>]