Trimtabist
The US Trade Ledger — every US container gateway, every partner country, every month — verified against real ship movements.
TT-010 · medium clock · reporter reported

Duty receipts

What US importers actually paid in tariffs: duty collected, dutiable value and consumption value per product and origin, monthly, from US customs entry records. The receipts against which every tariff claim — including the rulebook itself — is checked. Reconciled against US Treasury monthly customs receipts (yearly ratio 0.89-1.03) and Census world-total rows (0.000% deviation, 114/114 months).

Series published
4
of 4 registered
Grade
reported
counted by a named body
Clock
medium
months — needs corroboration
Recording since
2017-01-01
US Census Bureau, imports for consumption (CON_VAL_MO / DUT_VAL_MO / CAL_DUT_MO)

Series

China effective tariff burden reported
tt010.china.burden · percent/month long horizon published Share of Chinese goods that pay any duty reported
tt010.china.dutiable-share · percent/month long horizon published China effective rate on dutiable value reported
tt010.china.rate-on-dutiable · percent/month long horizon published US tariff bill, all origins reported
tt010.national.duty · USD bn/month long horizon published

Method

Source: US Census Bureau, imports for consumption (CON_VAL_MO / DUT_VAL_MO / CAL_DUT_MO). The full method — what is measured, what is inferred, and what can mislead — is published as TT-010 method.

Machine readable:
POST /mcp — describe_series, query_series, check_agreement
resource trimtab://method/TT-010