This table shows you the IRS dollar limits for a given plan year such as the maximum an employee can contribute (the 'elective deferral maximum'), the maximum you can add overall to your plan annually (the 'annual addition limitation') and the maximum compensation that may be considered when calculating contributions and allocations ('the annual compensation limitation) etc. Please note that if you are age 50 or older, the maximum you can add overall to your plan annually is the 'annual addition limitation' plus the catchup deferral maximum.