- Income tax brackets updated
- Special tax regimes updated
verified PIT brackets and 8% option against RA 10963; updated data year, verification date, SSS employer rate and cap, treaty count, USD brackets, and 8% special regime (https://lawphil.net/statutes/repacts/ra2017/ra_10963_2017.html, https://taxsummaries.pwc.com/philippines, https://www.sss.gov.ph/sss-contribution-table/).