The Postal Act regulates the operations of Posti. You can view the act on the FINLEX database of the Finnish Ministry of Justice at number 415/2011 (in Finnish and Swedish).
Contact information for the regulatory authorities
The Finnish Communications Regulatory Authority supervises compliance with the Act on Postal Services and other provisions and regulations issued thereunder.
The Ministry of Transport and Communications supervises and controls the general development of postal services.
Read the instructions on the notification procedure applicable to violations of copyright or related rights.