In order to qualify for the GS-13, you must meet the following: You must demonstrate in your resume at least one year (52 weeks) of qualifying specialized experience equivalent to the GS-12 grade level in the Federal government, obtained in either the private or public sector, to include: 1) Providing expert advisory services on federal, state, or local payroll operations (i.e., interpreting pay policies, resolving employee and management inquiries, and ensuring accurate application of pay entitlements in accordance with federal regulations); AND. RPL Eligibility Required Documents: The following documents are required to verify your RPL eligibility: 1) Your most recent SF-50 (Notification of Personnel Action), or equivalent, as stated in the job announcement that shows position occupied (block #34 of your SF-50), tenure, grade and step, salary, and full performance level; 2) Your SF-50 showing Separation - RIF.