I think it is 13-months, at least that is the maximum I can buy here, GoGetSsl have a description and a list here: https://www.gogetssl.com/wiki/general/multi-y

I think it is 13-months, at least that is the maximum I can buy here, GoGetSsl have a description and a list here: https://www.gogetssl.com/wiki/general/multi-year-subscription-ssl/ https://www.gogetssl.com/wiki/general/multi-year-subscriptio... This seems to have started around August 2020. So instead they will sell "subscriptions" where you get a new certificate on expiry. So technically they will still sell you multiple years, but as a subscription.