Yes. Most employers don`t set a limit on the number of changes you can make. Simply fill out an SRA form and return it to OMNI to initiate a withdrawal change. To change investment provider within your plan, simply fill out the Omni form for the Contract Exchange and open an account with the new investment provider. Your first step in strengthening your retirement provision is to contribute to your employer`s 403(b)/457(b) plans. OMNI makes it easy to start or edit your contributions to your 403(b)/457(b) account. .