Department of Justice is proposing changes to the 4473 form. A notable change included clarification of medical marijuana in 11.e
Draft form: https://www.atf.gov/resource-center/docs/form-example-firearms-transaction-record/download
You can read more from the Federal Register
https://www.federalregister.gov/articles/2016/04/07/2016-07970/agency-information-collection-activities-proposed-ecollection-ecomments-requested-firearms
