From noncompact to compact: You must apply for licensure by endorsement in the new state of residency. Your individual state license issued by the noncompact state is not affected and will remain active if you maintain licensure and if so provided by the laws of the nonparty state.
It will remain on your credit report for seven years and 180 days after it was first reported late. Although paying the settlement is unlikely to affect your credit score, it will ensure that you are not sued. A judgment against you is an even worse blemish on your credit report than a collection.
Account in collections: If you have an account in collections, it will usually remain on your credit report for seven years plus 180 days from the date the account first became past due.