You can renew your domain up to once per year. The maximum renewal period is 10 years. You will be contacted before your domain expires.
What is the validation process?
The validation process is a 15 day period during which the Registrant must provide an affirmative response. They can do this by clicking the link in an email sent to them by OpenSRS and confirming registration of the domain.
Can I check my domain validation status?
You can check the validation status of your domain by following this article.