Subject: Re: Battery passport data request — acknowledgement

Dear [Name],

We confirm receipt of the battery passport data request for [Product/Model].

- Internal owner: [name, function]
- Data we already hold (with documentation): [N] fields
- Missing or upstream-dependent items: [list field IDs]
- Planned return date: [date]

We will use the bilingual workbook as requested (status only, no confidential values). Where items depend on our upstream suppliers, we will mark them "Requested upstream" with dates.

Best regards,
[Name, role, company]