when is a written plan required
Written Plan Document Requirement for 403(b) Plans. Description: Generally for plan years beginning after 12/31/2008, a 403(b) plan is required to be maintained pursuant to a written plan document. The plan must comply in form and operation with the requirements of the Code and regulations. IRC Section and Treas. Regulation: Reg. 1.403(b)-3(b)(3) - Written Plan Requirement