This focuses specifically on United Kingdom retirement accounts for beneficiaries of these plans who must also file US income tax returns. We'll help you understand UK retirement rules, when you'll be eligible to retire, what benefits you'll receive and the steps to give your notice.Retiree Health Benefit Enrollment forms must be signed and dated no more than 60 days before your retiree health benefits become effective. You can retire with unreduced benefits when your combined age plus years of contributory service add up to 84 or more. From pros and cons to the best locations and agerelated considerations and taxes, we look at why retiring in Dallas can be a good option. At least age 62, meet the Rule of 80 (combined age and years of service credit equal at least 80), and have at least five years of service credit. Learn more about MetLife employee benefits and financial solutions. Investors are not required to fill out an FS Form 1199A. Retirement Benefits. Alight Benefits Advantage.