What Happens If a CSCS Card Expires After the Grace Period? Emphasize the dangers of allowing the card to expire for more than six months, such as the possibility of being refused access to the site and the need to reapply from the ground up. The College of Contract Management's CIOB Level 4 Certificate and Diploma in Site Management would help students develop their abilities in prep... https://www.theccm.co.uk/cscs/