1. Short title; table of contents (a) Short title This Act may be cited as the Wildland Firefighter Fairness Act . (b) Table of contents The table of contents for this Act is as follows: Sec. 1. Short title; table of contents. Sec. 2. Single qualification and certification system. Sec. 3. Personnel flexibility relating to the Robert T. Stafford Disaster Relief and Emergency Assistance Act. Sec. 4. Extension of service limits for seasonal hires. Sec. 5. Civil service retention rights. Sec. 6. Computation of pay. 2. Single qualification and certification system (a) Merging 2 systems The Secretary of the Interior and the Secretary of Agriculture shall work with States and the Workforce Development Committee of the National Wildfire Coordinating Group to merge the Incident Qualification System and the Incident Qualification and Certification System into a single system by September 30, 2025. (b) Elimination of bureau add-On requirements On and after October 1, 2021, the Secretary of the Interior and the Secretary of Agriculture may not require a person to demonstrate additional competencies to obtain, make use of, or maintain a qualification or certification for a fire position, regardless of which jurisdictional agency employs the person. 3. Personnel flexibility relating to the Robert T. Stafford Disaster Relief and Emergency Assistance Act (a) Definition of time-Limited appointment Section 9601 of title 5, United States Code, is amended by striking paragraph (2) and inserting the following: (2) the term time-limited appointment includes— (A) a temporary appointment and a term appointment, as defined by the Office of Personnel Management; (B) an appointment pursuant to section 306(b)(1) of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5149(b)(1) ); and (C) an appointment pursuant to subtitle E of title I of the National and Community Service Act of 1990 ( 42 U.S.C. 12611 et seq.). . (b) Competitive service