Visitors of all ages arriving in Canada by air require a passport or passport equivalent, such as a NEXUS card. If you need a passport right away, get a passport within 24 hrs with Rushmypassport.com.
OTC means Over the Counter, which is a test that you can buy at the store and do not need a prescription for. Many medication are called OTC which means you can just go by them without a doctor's prescription. Or it could also be an OTC stock trade.
Over-The-Counter - OTC. Loading the player... What is 'Over-The-Counter - OTC'. Over-the-counter (OTC) is a security traded in some context other than on a formal exchange such as the New York Stock Exchange (NYSE), Toronto Stock Exchange or the NYSE MKT, formerly known as the American Stock Exchange (AMEX).