Be a PADI Tec 45 diver
Have a minimum of 100 logged dives, with at least 20 logged dives on enriched air nitrox deeper than 18 meters/60 feet and 15 logged dives deeper than 30 meters/100 feet
Be at least 18 years old
Have a Medical Statement signed by a physician within the last 12 months
Note that qualifying certifications from other diver training organizations may apply – ask your Tec Deep Instructor.