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.
Electronic Product Code (EPC) A radio frequency identification code (RFID) attached to a product which contains a wide range of information unique to that item including the manufacturer, SKU, product information and serial number when applicable. This allows tracking a particular item throughout all stages of the supply chain.