No Majikan should be your company registration number. If sole proprietary should be your license business number in your Form D from SSM
EA form format isn't fixed. My ex company does their own format. Besides, LHDN doesn't even want to see your EA form, unless they audit you and others individually...but usually with ample time for you to prepare your docs for audit.
how to get No.MAJIKAN tat stat on EA form?, EA FORM issue