Collection Trend. From 2019-2021, collections from the Bureau of Customs (BOC) averaged about 22% of total tax revenues. Collections from this source declined from P630.3 billion in 2019 to P537.8 billion in 2020 as the COVID-19 pandemic slowed down international trade. In 2021, BOC revenues reached P643.6 billion, which was 19.7% higher than the 2020 level.
