Permit Knowledge Testing is a "Tier 1" test -
No prerequisite is required. You can do either Tier 1 permit tests first – knowledge or skills

Gaining your permit requires 2 parts (permit knowledge & permit skills)

Endorsement Knowledge Testing is a "Tier 2" test –
You must have passed both the "Tier 1" permit testing sessions within 180 days of this testing to get your endorsement.

Gaining your endorsement requires 4 parts (permit knowledge & skills and endorsement knowledge & skills).

Three-Wheel Endorsement testing requires 2 parts a knowledge & skills test.

You can do these tests in any order!