"Suppose you have two non-governmental tax exempt employers, each of whom sponsors a 403(b) plan with, for all practical purposes, identical provisions. Both are calendar year plans. Are there any particular problems with permissively aggregating them for coverage and ACP testing, if one fails, but permissive aggregation would allow them to pass?"

"For 401(k) plans that decide to allow Roth employer contributions, how, if at all, will the deduction rules change for those contributions? I'm thinking that traditional employers will still get a deduction, but what about self-employed plan sponsors? Will it depend on the way the self-employed business is structured?"