Four-state readiness

Key takeaways

Four-state readiness is TradeWatch's verdict system: every checked field on a shipment resolves to exactly one of OPEN, BLOCKED, CONDITIONAL or UNCLEAR. The fourth state is the architectural point — missing or ambiguous evidence is surfaced as UNCLEAR rather than defaulted to a pass, so silence can never impersonate compliance.

Exactly one of four verdicts per checked field: OPEN (evidenced and unobstructed), BLOCKED (a rule or fact prevents proceeding), CONDITIONAL (open if a named condition is satisfied), UNCLEAR (the evidence to decide is missing or ambiguous).
UNCLEAR is the safety state: absent or unreadable inputs never default to OPEN — the system reports that it cannot know, which is a finding, not a failure.
Every verdict carries its citation — the rule or document it rests on — and enters the evidence packet under a reviewer's signature, making each verdict traceable and contestable.
The vocabulary is binary-free by design: real shipment questions rarely reduce to pass/fail, and CONDITIONAL captures the honest middle — permitted if — that binary systems flatten.

Chapter 1

What Four-state readiness Means

Four-state readiness is the verdict system at the centre of TradeWatch's evidence packets: every field the system checks on a shipment — an invoice number's agreement with a return, a declaration's presence, a value's arithmetic, a deadline's status — resolves to exactly one of four states: OPEN, BLOCKED, CONDITIONAL or UNCLEAR. The vocabulary is small on purpose. A verdict a Customs House Agent, a broker, a finance controller and an auditor all read the same way has to be smaller than the regulations it summarises — and honest about the one thing summaries usually hide, which is what the checker could not determine.

1.1

The Four States, Precisely

OPEN means the check passed on evidence: the field agrees with what the governing rule requires, and the packet holds the documents proving it. BLOCKED means a rule or established fact prevents proceeding as filed — the mismatch exists, the deadline has passed, the required document is affirmatively absent — and the verdict names the obstruction. CONDITIONAL means the field is open if a stated condition holds: the declaration is valid if filed before the deadline still running; the value is correct if the stated Incoterm is the contractual one. The condition is named, not implied. UNCLEAR means the evidence needed to decide is missing, contradictory or unreadable — and this is the state that defines the system.

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1.2

Why UNCLEAR Is the Point

Most checking systems are secretly two-state, and their failure mode is the silent default: what cannot be evaluated falls through to "no issue found," and absence of evidence exits the pipeline dressed as compliance. Four-state readiness forbids that costume. Missing input never defaults to OPEN; it surfaces as UNCLEAR, with the missing thing named. The practical effect is that a readiness report's silence is abolished — every checked field says either what is known, or that it is not known, and an UNCLEAR verdict is itself actionable information: fetch the document, resolve the contradiction, re-run the check.

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1.3

Where the Verdicts Live

A four-state verdict never travels alone. In the evidence packet, each verdict binds to its citation — the rule, clause or document line it rests on — and to the evidence examined, so a reader can trace any verdict from conclusion back to source. Concretely: a BLOCKED on an invoice-number field points at the exact mismatch and the rule that makes it fatal (the SB005 mechanics are a working example of the category); a CONDITIONAL on a declaration names the clock still running; an UNCLEAR on a weight names the two documents that disagree. The packet a reviewer signs is, in this sense, a list of small, cited judgments — which is what makes it defensible where a score or a green tick is not.

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