that— (1) simplify and clarify the rules regarding the timing of participant notices required under section 401(k)(13)(E) of the Internal Revenue Code of 1986, with specific application to— (A) plans that allow employees to be eligible for participation immediately upon beginning employment, and (B) employers with multiple payroll and administrative systems, and (2) simplify and clarify the automatic escalation rules under sections 401(k)(13)(C)(iii) and 401(k)(14)(C) of the Internal Revenue Code of 1986 in the context of employers with multiple payroll and administrative systems. Such regulations or guidance shall address the particular case of employees within the same plan who are subject to different notice timing and different percentage requirements, and provide assistance for plan sponsors in managing such cases. 11. Opportunity to claim the saver's credit on Form 1040EZ The Secretary of the Treasury shall modify the forms for the return of tax of individuals in order to allow individuals claiming the credit under section 25B of the Internal Revenue Code of 1986 to file (and claim such credit on) Form 1040EZ.