SEPP plans are used to avoid early-distribution penalties. To withdraw money from the 457(b) plan that is attributable to original 457(b) contributions and the earnings thereon there is no need to do a SEPP plan because distribution of this money is not subject to early-distribution penalty.
If rolled money over to a 457(b) plan from another type of plan, any of that money and earning thereon are required to have been kept in a separate sub-account and would have to be distributed under a SEPP plan to avoid early-distribution penalties before age 59? unless another exception applies.
Contact your 457(b) plan administrator for details and requirements relative to your particular plan.
