Federal experience is not required. Experience may have been gained in the public sector, private sector or through Volunteer Service. One year of experience refers to full-time work; part-timework is considered on a prorated basis. To ensure full credit for your work experience, please indicate dates of employment by month/day/year, and indicate number of hours worked per week, on your resume. You must meet the following requirements by the closing date of this announcement. QUALIFICATION REQUIRMENTS: SPECIALIZED EXPERIENCE FOR GS-13: You must have 1 year of specialized experience at a level of difficulty and responsibility equivalent to the GS-12 grade level in the Federal service. Specialized experience for this position MUST include: Demonstrating experience with organizational functions, programs, policies, regulations, procedures and operations to determine impact on program goals. Serving as a technical program and policy expert to provide guidance to other specialists and management officials both within and outside the agency. Recognizing the impact of tax issues and enforcement changes to revise procedures using systems and/or programs (e.g., Microsoft products (Excel) Integrated Automation Technologies (IAT), Integrated Data Retrieval System (IDRS)). Applying SBSE-specific software/applications, such as RGS (Report Generation Software), UCP (Unattended Case Processing), ACE (Automated Correspondence Examination), and CEAS (Correspondence Examination Automation Support), AIMS (Audit Information Management System) to analyze effects of legislative changes. Utilizing analytical and evaluating methods to develop new approaches to existing programs, such as compliance functions. Analyzing and evaluating the effectiveness of program operations, identifying gaps or conflicts in program information, consolidating findings and recommending alternatives. Preparing written reports, disseminating policy information, documenting findings and conclusions. AND You must also meet the following requirement(s): TIME AFTER COMPETITIVE APPOINTMENT (TACA): Current civilian employees must have completed at least 90 days of federal civilian service since their latest non-temporary appointment from a competitive referral certificate, known as time after competitive appointment. For this requirement, a competitive appointment is one where you applied to and were appointed from an announcement open to "All US Citizens". TIME IN GRADE (TIG): For positions above the GS-05, applicants must meet applicable time-in-grade requirements to be considered eligible. One year (52 weeks) at the next lower grade level is required to meet the time-in-grade requirements for the grade you are applying for. For positions at the GS-5, you cannot advance to the GS-05 if you have held a GS-02 in the past 52 weeks. There is no TIG restriction for GS-02, 03, or 04 positions. For more information on qualifications please refer to OPM's Qualifications Standards.