Yes, subject to additional costs that depends faculty to faculty. You can avail extended validity option. But validity extension is only possible as soon as the validity of latest classes expires or is going to expire. Which means it is possible to not modify validity by paying out in advanced https://connerfzoyk.blogunteer.com/33806383/the-smart-trick-of-advanced-accounts-ca-inter-classes-that-no-one-is-discussing