[business trip] the pilot and passengers can contribute a pro rata share of the operating expenses, but neither the pilot or the passengers may be reimbursed by their employer.
Really? And would it be the same if they were using a car? Then the company would provide one or reimburse the expenses, no? Even if the driver has a simple driving licence and is not a taxi. Why should it be different if they use an aircraft?
We don’t have a Federal Car Administration or a Federal Boating Administration. This is an FAA rule.