ADEA

The Age Discrimination in Employment Act prohibits employers from discriminating in all aspects of employment against workers age 40 or older. Employers with 20 or more full-time or part-time employees are generally subject to this law. Plan provisions that may be affected by ADEA include age/benefit reductions or the elimination or reduction of benefits for older employees including the Medicare Secondary Payer provisions.
 
Employers may violate ADEA if the benefit plans provided to older employees are not the same as those provided to younger employees or if the benefits are reduced or eliminated so that the cost of the benefits for older employees is less than the cost of the benefits for younger employees.
 
The link below will take you to information on ADEA on the U.S. Equal Employment Opportunity Commission (EEOC) website.

http://www.eeoc.gov/policy/adea.html
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