Can I renew my membership online? Victoria Phucas December 03, 2019 20:16 Updated Follow Yes! Simply log into the My CLSI Member Center and if you are within 90 days of your expiration date you will be able to renew online. Otherwise, please contact our Membership team at firstname.lastname@example.org or use our online form. Related articles Do you accept purchase orders for membership dues? How long does CLSI membership last? How do I determine my membership category? What forms of payment do you accept? Can I order documents at the same time I apply for membership?