IFTA license revocation: If your license has been revoked you need to indicate this info along with all the jurisdictions.
A number of vehicles needing decals: Indicate the number of IFTA vehicles that require decals. Normally, 2 decals are issued per vehicle. You only request decals for the trucks you are actually licensing. The extra decals cannot be issued.
Conclusion
When you have all of the needed documents and information then filling the IFTA report is much easier.
Continually, you have nowadays online software which is minimizing your part of the job. In other words, they are generating the basic info of the company and vehicle.
As a conclusion, having the entire information on the company and the vehicle will make filling IFTA application much easier.