2025 FIA WORLD RALLY CHAMPIONSHIP SPORTING REGULATIONS states:
5.2 PARTICIPATION – MANUFACTURER
A Manufacturer:
5.2.1 undertakes to take part in all the rallies of the championship with a minimum of two (2) world rally cars complying with the 2025 Appendix J, Article 262.

5.2.4 must pay the registration fee of €413 560
plus the entry fee for each event of €56 100 for a three car team or €46 600 for a two car team.

5.3 PARTICIPATION – WRC TEAM
A WRC Team;
5.3.1 Undertakes to take part in a minimum of 7 nominated rallies including one outside Europe with up to two World Rally Cars of the homologation number 400/01 WRC or Ra1-22/XX.

5.3.4 Must pay a registration fee of €28 439 in order to score points irrespective of the number of rallies entered
plus the entry fee of €9 400 per car for each event.