If you reside in a historic district, to conduct work to the exterior of your historic property, you are required to obtain a Certificate of Appropriateness (COA). A COA is a special permit obtained in addition to the regular building permitting process.
The recommended arrival time at the airport is 75 minutes prior to departure when traveling within the United States. You must be checked in at least 30 minutes before your scheduled departure time.
Best Answer: Be there 2 hours before take off at the airport. Some instances that problems may happen regarding your baggage, passport, ticket, etc; and you still have time to resolve it.In addition, you can queue up early.owadays there are many precautionary measures before you can get in to the check in area they will check your luggage and could be very long queues. It does not say to check in before two hours. They want is you must be there in the check in area within that allowable time.