Can I extend my 90-Day Non O Visa 30 days early at Kalasin Immigration?

The user inquires about the possibility of extending their 90-Day Non O Visa 30 days before its expiration at the Kalasin Immigration office, seeking clarification on the rules about early extensions. A comment suggests that it is typically permissible to apply for an extension within 30 days before the visa expires, and some immigration offices might even allow applications up to 45 days prior.