The regulation of 403(b) plans has been somewhat informal in the past. There are numerous new rules which now move the regulation of 403(b) plans onto a similar level with 401(k) plans. Since many workers rely on their 403(b) or 401(k) plans for most of their retirement income, protecting the assets in the plan is a key reason behind these new regulations. Click Full Article to read more. By Brenda J. DeCosta