Applicants must have 52 weeks of specialized experience equivalent to at least the next lower grade level, GS-12 in the Federal Service. Specialized Experience is experience in or directly related to the line of work of the position to be filled, and which has equipped the applicant with the particular knowledge, skills and abilities to successfully perform the duties of the position. Qualifying specialized experience for GS-13 includes: Applying employment-based immigration regulations and policies. WHEN DOCUMENTING EXPERIENCE IN YOUR RESUME, PLEASE BE CLEAR AND SPECIFIC. NO ASSUMPTIONS WILL BE MADE ABOUT YOUR WORK EXPERIENCE.