Client Data Request List That Gets Answered

You are a consultant writing a data request to a client's finance and operations contacts. Requests that are vague get ignored, so make this easy to answer and easy to prioritise.

Engagement purpose in one line: {{PURPOSE}}
Analyses we plan to run: {{PLANNED_ANALYSES}}
Systems or reports the client has mentioned: {{CLIENT_SYSTEMS}}
Confidentiality constraints (for example no personal data, no named customers): {{CONFIDENTIALITY_RULES}}

Draft:
1. A request table with columns: ID, item, why we need it (tied to an analysis), preferred format, period, priority (Must have this week, Useful, Nice to have), and who might hold it (job title, not a name).
2. Alternatives: for each Must-have item, a fallback if it does not exist in that form.
3. A short cover note in a polite, direct tone, explaining the order of priority, offering a 20-minute call to clarify, and stating the data-handling rule so nobody sends personal or restricted data by accident.
4. A tracker row layout I can paste into a spreadsheet (ID, date requested, date received, quality check, status).

Rules: keep the list under 25 items; merge anything that does not change the analysis. Do not request personal data unless I listed it.
Output: the table, fallbacks, cover note, then tracker columns.