# Manual answer key

Synthetic practice only. Prepared by the article author, not an observed model response.

Four core duty groups: brief by 5 October; conditional prototype by 12 October; undisputed invoices 30 calendar days after unknown receipt; Friday reports with unknown project end. Revised-date agreement may have a linked row. Schedule N missing; no notice rule can be invented.

Required review gate: Human verifies every duty and condition against the complete approved source set; solicitor resolves legal uncertainties before operational reliance.