If you set up a SEP using Form 5305-SEP, you must give your eligible employees certain information about the SEP when you set it up. See Setting Up a SEP, earlier. Also, you must give your eligible employees a statement each year showing any contributions to their SEP-IRAs. You must also give them notice of any excess contributions. For details about other information you must give them, see the instructions for Form 5305-SEP or Form 5305A-SEP (for a salary reduction SEP).
Even if you did not use Form 5305-SEP or Form 5305A-SEP to set up your SEP, you must give your employees information similar to that described above. For more information, see the instructions for either Form 5305-SEP or Form 5305A-SEP.