Your heart's electrical system controls the timing of your heartbeat by regulating your: 1  Heart rate, which is the number of times your heart beats per minute. 2  Heart rhythm, which is the synchronized pumping action of your four heart chambers.
Get it delivered right to your inbox! Service Computation Date Determination. The service computation date is the date on which you start counting the years of service you need to retire. The date for most employees is the date on which they first enter the service. However, some have been on active duty with the armed forces and may be entitled to service credit for that time.
Creditable Civilian Service (FERS) Generally, to be creditable for eligibility and computation, all service prior to 01-01-1989 must be covered by a deposit. Non-deposit service on or after 01-01-1989 is not creditable. The 2010 National Defense Authorization Act (NDAA) provides for a change in the law to allow refunded Federal Employee Retirement System (FERS) service to be repaid and be creditable for retirement.