I think I agree with ERISAnut on the application of the universal availability rule for salary deferrals to 403(b) plans subject to ERISA and the "expected to work less than 20 hours a week exclusion mentioned above. It would be nice if IRS could make itself clear on this.
According to the regulations regarding universal availability, ERISA plans, in addition to looking for guidance under the 403(b) regulations, also have to look to Code Section 410(a) for guidance. And here is my confusion: Apparently the IRS does not consider an exclusion for employees who are "expected to work less than" a certain number of hours, be it 20 in a week or 1,000 in a year, to be a valid exclusion for purposes of eligibility. In 2006, the IRS issued a Quality Assurance Bulletin making its positon clear and directed plan examiners to not issue determination letters with an exclusion based on individuals expecting to work less than a certain number of hours.
So what we have is the 403(b) regs allowing such an exclusion, but seems that the IRS, under 410(a) does not allow such an exclusion and the 403(b) regs seem to defer somewhat to 410(a). As a result, if that is the case, and 410(a) takes precedence, it would appear that the less than 20 hours a week exclusion does not apply to ERISA plans; thus, it would seem that all employees would have to be given the right to participate in salary deferrals immediately in an ERISA 403(b) plans.
I'm just wondering if anybody else has come up against this and how it's being dealt with.