CA/Browser Forum 通過了這項提案，將 SSL Certificate 的最大有效時間降到 825 天 (大約 27 個月)：「Ballot 193 - 825-day Certificate Lifetimes」。
所以將會從本來的 39 個月降到 27 個月左右，所以現在買得到最長的 certificate 會有 3 年，以後會有 2 年：
Recent Ballot 185 demonstrated a consensus among Forum members to reduce the maximum lifetime for DV and OV certificates from 39 months to 825 days (roughly 27 months). This ballot reflects that consensus, and also reduces the maximum period for reuse of vetting data for DV and OV certificates from 39 months to 27 months.