2020 WRC Sporting regulations are out
http://fia.com/file/115290/download

Interesting point:
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 a World Rally Car of the homologation number 400/01 WRC.
5.3.2 Will be eligible to score points only when there is a team
scoring points in the WRC Manufacturer Championship with
the same car homologation.
5.3.3 Will be awarded points according to Art. 3.3 of these
regulations.
5.3.4 Must pay a registration fee of €22,050 in order to score points
irrespective of the number of rallies entered.
5.3.5 Cannot nominate a driver who has been nominated to score
points in the corresponding Manufacturer Team in the same
season.
5.3.6 Must inform the FIA of the name of the driver for the purpose of
scoring points before the closing date of entries of each rally
that they want to score points.
5.3.7 For the purposes of mechanical components, a WRC Team will
be considered in the same way as a Non-WRC Manufacturer
entry.