Here is a short article that explains how credits are reported following completion of a CE activity. It explains the roles of the provider (me), ACPE and NABP. View the credit reporting article.
Because credits are reported electronically, there is no need to receive and keep CE Certificates of completion. However, you should check your CPE Monitor account often to verify that all your credits have been recorded. Contact the provider of the CE activity if there are discrepancies.