Within the first 30 days of purchase, registered users are entitled to 100% trade-in credit for each Individual license converted to a station on a comparable or higher Floating or Node-Locked license product.
If it has been more than 30 days since purchase, registered users with a current license are entitled to 75% trade-in credit for each Individual license converted to a station on a comparable or higher Floating or Node-Locked license product.
If you are using a version prior to the current version, the trade-in credit will be reduced by the price of the upgrade.