Expense Reimbursement Form

Generate a professional expense reimbursement form for the following details:

Employee Name: {{name}}
Expense Categories: {{categories}}
Submission Period: {{period}}{{workflow}}{{max_amount}}{{documents}}

Create a complete, well-structured expense reimbursement form in Markdown format. Include:
1. A header with the company form title and submission period
2. Employee information section
3. Expense table with columns for date, description, category, amount, and receipt attached
4. Pre-populated categories based on the provided expense categories
5. Subtotals by category and a grand total
6. Any relevant policy notes (max amount if specified, required documents if specified)
7. Approval workflow section if specified (otherwise a generic manager approval section)
8. Employee signature/certification section
9. Approver signature section

Make it practical and ready to use.

Respond with JSON only in this exact format:
{"form": "the complete markdown form here"}