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 REQUIREMENTS: BASIC REQUIREMENTS All GRADES (ALSO MEETS GRADE 5 QUALIFICATIONS): A Certificate as a Certified Public Accountant (CPA) or a bachelor's or higher degree in accounting that included at least 30 semester hours in accounting or 24 semester hours in accounting and an additional 6 semester hours in related subjects such as business law, economics, statistical/quantitative methods, computerized accounting or financial systems, financial management, or finance. OR A bachelor's or higher degree in a field other than accounting or a combination of education and experience equivalent to 4 years that included at least 30 semester hours in accounting or 24 semester hours in accounting and 6 semester hours in related subjects as described above. SPECIALIZED EXPERIENCE GS-13: In addition to the basic requirements, you must have one (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 includes progressively responsible and diversified professional accounting or auditing work that required: Applying professional accounting principles, theory, and practices to analyze and interpret accounting books, records, or systems to determine their effect on Federal tax liabilities and their adequacy for recording transactions affecting tax liabilities; Interpreting and applying Federal tax law for individuals, business and/or exempt organizations, partnerships, and corporations; Providing testimony for federal and/or state proceeding; leading team in forensic audits of exempt organizations, planning and conducting financial investigation of persons or entities involved in tax avoidance or criminal schemes; Planning and preparing work to be performed by team members, leading and training team members 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.