Duty Disability:  An active member is eligible to apply for a duty disability benefit if he or she becomes disabled as the result of an injury that occurred in the performance of an act of duty.

Occupational Disease Disability:  An active member is eligible to apply for an occupational disease disability if the he or she has at least 10 years of service and suffers a heart attack or any other disabling heart disease.

Ordinary Disability:  An active member is eligible to apply for ordinary disability benefits if he or she becomes disabled as the result of any cause other than an act of duty or occupational disease.