Limiting cash option when caferteria plan relates to a ccollective bargaining agreement

[Guest azenter]

Can a Cafetria Plan Summary Plan Description which offers a cash option, specify that the cash option can be used only as described in a negotiated agreement.

The intention of the negotiated agreement would be that if a member has health insurance somewhere other than with the employer then that employee can receive the $ that would normally have been used for the health insurance as a 403b annuity.