The U.S. Copyright Office has adopted a final rule amending the regulation governing supplementary registration to reflect certain technical upgrades that will soon be made to the electronic registration system. In most cases applicants will be required to submit an online application in order to correct or amplify the information set forth in a basic registration. In addition, the final rule codifies and updates certain practices that are set forth in the Compendium of U.S. Copyright Office Practices, Third Edition, and improves the readability of the regulation.