You must meet the following requirements by the closing date of this announcement. Specialized experience for the GS-13 is one year of experience at the GS-12 level or equivalent in other public or private sectors, that is directly related to the position, equipping the candidate with the knowledge, skills, and abilities to successfully perform the duties of the position. Specialized experience is defined as work experience: - Interpreting and explaining TTB laws and regulations; OR - Researching and analyzing compliance issues in a regulatory program area; OR - Applying laws, regulations, and policies to prepare correspondence, reports, proposals or operating procedures that address compliance issues related to labeling, formulation, product safety, or marketplace activities; OR - Making recommendations for program improvements to executives and management officials through written or oral presentations. In addition to the above requirements, you must meet the following time-in-grade requirement, if applicable: For the GS-13, you must have been at the GS-12 level for 52 weeks. TIME AFTER COMPETITIVE APPOINTMENT: Candidates who are current Federal employees serving on a non-temporary competitive appointment must have served at least three months in that appointment.