If appeal is possible, what is the competent body to hear the appeal?

ACT 2005-06-17 no. 102: Act on certainaspects relating to the political parties (The Political Parties Act),(published 2005-05-17, last amended 2013-03-10)

Chapter 6. Administrative sanctions,confiscations and penalties

?28 Administrative sanctions

(1) In the event of violations of therules in chapter 4, the Political Parties Act Committee determines by how muchthe party's public grant is to be reduced. A first violation of limited scopecan be sanctioned by a formal warning. In determining the amount by which thegrant is to be reduced, emphasis should be placed on how large a grant theparty or party unit may apply for in the relevant year, and the severity andduration of the violation, among other things. The Ministry can issue furtherrules about the reduction in regulations.

(2) The courts can review all aspects ofthe Political Parties Act Committee's decision pursuant to this Section.

http://www.regjeringen.no/upload/FAD/Vedlegg/Partifinansiering/Political_parties_act.pdf