Crossing the border into the United States can be a daunting process. COPA has prepared some helpful resources to assist you in crossing as easily as possible. While we aim to always provide updated information, regulations are always subject to change and this guide is not a substitution to the official sources. The official CBP Private Air APIS Guide can be found here. Advance Passenger Information System – APIS, regulations require APIS manifests to be submitted to US Customs and Border Protection – CBP, for all private aircraft arriving from or departing for a foreign port or place. The APIS must be submitted to DBP within a specific timeframe.