| Calendar |
| Another rotation attempt | As Covid-19 pandemic continued, FIA presented new calendar with a view to have reserve events in place if any proper rallies were to be cancelled. Estonia, which had been included in 2020 calendar as reserve event, was retained and new event in Croatia was introduced and Catalunya got reinstated while Mexico, Argentina, New Zealand, Turkey and Deutschland were all dropped. Also dropped were two events used as replacements for 2020 season, Belgium and Monza, though some of the dropped events were retained as reserve events for 2021 season as well. During the season, Arctic Rally was added to calendar despite not being one of the nominated reserve events. |
| | | Non-event activity |
| Awarding of the titles | To ensure the value of the WRC championship, at least half of the events scheduled on the initial calendar will have to be held for titles to be awarded. In the support championships, the FIA will have the possibility to adjust the minimum number of participations and number of events taken into account, should the number of qualifying events be less than scheduled initially. |
| | | Sporting |
| Power stage scoring extended | Previously only top five fastest drivers on Power Stage scored Drivers' Championship points. Starting from 2021, scoring is extended to include Manufacturer's Championship as well as support championships WRC2 and WRC3. |
| Starting interval | Minimum starting interval between Priority 1 drivers is increased to three (3) minutes (was two minutes). |
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