Be prepared: The Boy Scouts of America will likely be among the beneficiaries of the most substantial legislative change to retirement savings in years.

The organization is one of several charities that offer employees defined benefit pension plans, which require an employer to pay into a pension fund available to the employee upon retirement. Employers purchase insurance from the Pension Benefit Guaranty Corporation, a federal agency that backstops employer pensions, in case they run out of money and can no longer pay the retirement income they guaranteed to employees.