can I renew my certification ADVERTISEMENT 419 viewsMarch 5, 2014 0 Heather March 5, 2014 0 Comments I completed your mat certification back in 2006, I have since let it expire. How do I go about renewing it? 3 Answers ActiveVotedNewestOldest 0 Martin0 Posted 0 Comments I would be surprised if you didn’t have to retake the exam or maybe even retake the course. You are viewing 1 out of 3 answers, click here to view all answers. Register or Login