2020 IATF Memorandum Circular 2020-1 Guidelines on the Grant of PBB for FY2020 2019 (1) IATF Memorandum Circular 2019-1 Guidelines on the Grant of PBB for FY 2019 (2) IATF Memorandum Circular 2019-2 Supplemental Guidelines on the Grant for FY 2019 (3) Internal Guidelines on the Grant of Performance-Based Bonus (PBB) For Fiscal Year 2019 2018 Guidelines/Mechanics in Ranking of Delivery Units and Employees for the Grant of Performance-Based Bonus (PBB) For FY 2018