However, if that employee drives from her home to the airport for a business reason, then her mileage is not deductible. In general, a company will adopt the IRS rules for mileage deduction as its standard policy.
Employees are restricted to one beer and are not allowed to drive while intoxicated. The goal isn't to promote drinking but to let employees know they're appreciated, which Fuicelli says is a small price that pays huge dividends..
Brown glass offers 95% protection. Going from cold to warm to cold, your beer will be fine... just don't make a habit of it. And keep in mind, there are no harmful bacteria that can live in beer. Beer will not be detrimental to your health unless it is left open for a period of time, which would then attract mold, etc.