| Sufficient confidence and repeated checking cost | Reuse competent results when their grounds still apply. |
| Historical truth and present relevance | Preserve old answers while deciding what supports the current question. |
| Prompt action and uncertainty | Name the exact unresolved issue and choose a proportionate way forward. |
| Local answer and wider decision | Keep correspondence with a description separate from usefulness and action. |
| Recording and observation | Capture enough for the receiving use without substituting paperwork for the check. |