The refresher courses shall consist of an overview of the initial course with concentration on the applicable changes that have occurred in the most recent four years to the Utility Accommodation Manual (UAM), Design Standards, Part 6 of the MUTCD, Florida’s Plans Preparation Manual (FPPM), Florida’s Construction Project Administration Manual (FCPAM), and Florida’s Standard Specifications for Road and Bridge Construction (FSSRBC). Course length for refresher courses shall be determined by the sponsor/provider. The written test for each refresher course shall meet the same requirements as the initial course test for that category with approximately 25% of the test questions related to recent changes.