This study evaluated the effects of the Tax Reform for Acceleration and Inclusion (TRAIN) Law on taxpayers in Kalibo, Aklan. The participants included employees from the Bureau of Internal Revenue (BIR) and local taxpayers. Conducted from December 2024 to January 2025, the study used a descriptive research method and convenience sampling. A total of 210 participants took part, comprising 150 taxpayers and 60 BIR employees. The findings revealed that 105 respondents (50%) were single, while 4 (1.90%) were widowed. In terms of educational attainment, the majority were college graduates, accounting for 154 respondents (73.33%). Interestingly, both Master’s degree holders and elementary graduates had the same number of respondents, with 6 each (2.86%). Of the participants, 60 individuals (28.57%) were BIR employees, while the remaining 150 (71.43%) were taxpayers. Regarding income levels, 65 respondents (30.95%) reported earning between Php 21,000 and Php 30,000, whereas only 3 respondents (1.43%) reported earning Php 51,000 and above. As for years in service or business engagement, 79 respondents (37.62%) had been in their roles for 4 to 6 years, while 29 (13.81%) had 11 or more years of experience. In terms of compliance with the TRAIN Law, the respondents reported a mean score of 4.54, indicating a very high level of involvement. Meanwhile, the extent of the effects of the TRAIN Law received a mean score of 4.45, also categorized as very high. These results highlight a strong level of engagement and a significant perceived impact of the law among the respondents.