According to CAB forum guidelines, Certificate authority cannot issue DV certificate more than 39 months validity and EV certificate for more than 27 months validity.

https://cabforum.org/faq-about-the-baseline-requirements/ https://cabforum.org/wp-content/uploads/EV-SSL-Certificate-G...

So you can get DV/BV certificate for maximum for 3 years and EV certificate with maximum 2 year validity because most CAs prefer to issue certificate on yearly base.