1. Get your passport, credit or debit card ready, and read the help document. Apply online for an eTA.There are certain requirements in the process. Submit your customs and immigration declaration online using Advance Declaration up to 72 hours before you arrive in Canada. Fill out a printable Authorization to Disclose or Request Protected Health Information form (Spanish language version also available) and fax to 703-653-6685. Top 10 Best Canadian Passport Photos Near Fairfax, Virginia ; 1. Find Answers to Your Questions. In addition, inbound and outbound travel documentation may be required. A visit to Fairfax County will put you in perfect position to experience all the fun things to do in Virginia and the National Capital Region.