The CA/B Forum Baseline Requirements impose a mandatory maximum validity period of 825 days (27 months) on all SSL Certificates as of March 1, 2018.
This mean that there is no more 3 year licensing.
The SSL industry shoring up their defenses, and doing away with 3 year certificate licensing terms on all SSL!
Effective the 1 st March 2018, the new maximum permissible term on any and all certificates will be 2 years, well actually, to be specific 27 months. The 27 months comprises the initial 24 months validity plus an additional 3 months which forms part of your 90 day renewal window.
GeoTrust/RapidSSL/Symantec/Thawte remove 3yr SSL from 20th FEB, 2018 and Comodo from 28th FEB, 2018.