| Calendar |
| Switch to winter calendar | A proposal is made of switch from annual calendar to a winter calendar where season starts from autumn, runs through winter and ends at the fall of the next year. Proposal included a shorter transition calendar for first part of 2007. This proposal is left un-implemented. |
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| JWRC |
| Junior calendar | The number of Championship events is increased to eight and the drivers must nominate seven (was six) rallies in the Championship in which they will participate. |
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| PWRC |
| Production calendar | The number of Championship events is increased to eight and the drivers must nominate six rallies in the Championship in which they will participate. |
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| Sporting |
| Rally length reduction | The total length of the special stages is reduced to maximum of 360 km (was 400 kilometers). |
| Super-rally | Any crew which has retired may re-start from the start of the next leg. The crew will get a five minute penalty added to the fastest time of the drivers' priority group for each missed stage. |
| HANS use required | All crews in official manufacturer-entered cars will have to use the HANS (Head And Neck Support) system. |
| Gravel crews reinstated | On tarmac rallies, gravel crews (called as safety crews) are again allowed. One such crew for each Priority 1 and Priority 2 competitors may make one pass of each stage. |
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| Technical |
| Maximum width | For World Rally Cars with overall length of 4200mm or more, maximum allowed width is increased from 1770mm to 1800mm. |