Expense Management
Track, categorize, approve, and reimburse expenses with Muin's Finance module. Receipt scanning, approval workflows, and category breakdowns.
Muin’s Expense Management handles the full expense lifecycle: from receipt upload to approval to reimbursement. With AI-powered receipt scanning, configurable approval workflows, and real-time spending visibility, your team spends less time on paperwork and more time on the work that matters.
Expense Lifecycle
Every expense follows a standard path through your organization:
Submit → Scan & Extract → Categorize → Review → Approve/Reject → Reimburse
| Stage | What Happens |
|---|---|
| Submit | Volunteers self-serve via My Expenses; finance admins file on-behalf-of staff and contractors via the Add expense form. Direct staff self-service is on the roadmap. |
| Scan & Extract | AI reads the receipt and extracts vendor, amount, date, and line items |
| Categorize | Expense is assigned to a category and cost center |
| Review | Manager or finance team reviews for accuracy and policy compliance |
| Approve/Reject | Authorized reviewer approves for payment or rejects with a reason |
| Reimburse | Admin pays the submitter out-of-band (Zelle, check, ACH, cash) and records the disbursement in Muin for audit. Auto-payout via Stripe / Plaid / NACHA is on the roadmap. |
Getting Started
Viewing Expenses
- Navigate to Finance > Expenses
- The expense list shows all expenses with status, amount, and category
- Use filters to narrow the view
Filtering Expenses
| Filter | Options |
|---|---|
| Status | Pending, Approved, Rejected, Reimbursed |
| Category | Travel, Meals, Supplies, Software, Other (configurable) |
| Date range | Start and end dates |
| Search | Vendor name, description, or reference number |
Expense Metrics
The expense overview includes real-time metrics:
- Total pending: Expenses awaiting approval
- Total approved: Expenses approved but not yet reimbursed
- Category breakdown: Spending distribution across categories
- Month-over-month trends: How spending compares to previous periods
Submitting Expenses
Receipt Upload
- Click New Expense from the Expenses page
- Upload a photo or scan of the receipt
- Muin’s AI extracts:
- Vendor name
- Date
- Total amount
- Line items (when available)
- Tax amount
- Review the extracted data and correct any errors
- Assign a category and add notes
- Click Submit
Manual Entry
For expenses without a receipt:
- Click New Expense
- Enter the expense details manually:
- Amount
- Vendor
- Date
- Category
- Description
- Attach supporting documentation if available
- Submit for approval
Approval Workflow
How Approval Works
Expenses route through your organization’s approval chain:
- Submitted expenses appear in the reviewer’s inbox
- The reviewer examines the expense details, receipt, and category
- The reviewer either Approves or Rejects:
- Approve: Moves the expense to the Awaiting reimbursement queue. Admin pays the submitter out-of-band (Zelle, check, ACH, cash, bank transfer, payroll, etc.) and clicks Record disbursement in Muin to capture the method, reference (check #, Zelle confirmation, etc.), date, and optional payment proof. The expense then transitions to Reimbursed with a full audit trail.
- Reject: Returns the expense with a reason for the submitter to address
Rejection Handling
When an expense is rejected:
- The submitter receives a notification with the rejection reason
- The submitter can edit and resubmit the expense
- The full history of submissions and rejections is preserved
Approval Permissions
Expense approval requires the Finance Process permission. Your organization can configure approval rules based on:
- Expense amount thresholds
- Department or cost center
- Category-specific routing
Category Management
Default Categories
Muin comes with standard expense categories:
| Category | Typical Expenses |
|---|---|
| Travel | Flights, hotels, ground transportation, mileage |
| Meals | Business meals, team lunches, client entertainment |
| Supplies | Office supplies, equipment, materials |
| Software | Subscriptions, licenses, SaaS tools |
| Professional Services | Consulting, legal, accounting fees |
| Other | Expenses that do not fit standard categories |
Custom Categories
Administrators can add custom categories to match your organization’s chart of accounts. Custom categories integrate with budget tracking for real-time spending visibility.
Additional Workflows
Expense Reports
Group related expenses into reports:
- Submit all expenses from a business trip as a single report
- Attach overall trip documentation alongside individual receipts
- Reviewers approve the entire report or individual line items
Budget Integration
Expenses automatically feed into budget tracking:
- Each approved expense reduces the available budget in its category
- Budget alerts trigger when spending approaches thresholds
- Variance reports compare actual spending to budgeted amounts
Audit Trail
Every expense action is logged:
- Submission, edits, and resubmissions
- Approval and rejection decisions with reviewer identity
- Reimbursement processing
- Timestamp and user for every action
Tips
- Upload receipts immediately. Scanning accuracy is highest when receipts are clear and recent.
- Categorize consistently. Use the same categories across the team for meaningful reporting.
- Add descriptions that explain the business purpose, not just “dinner” or “supplies.”
- Review the AI extraction before submitting. The AI is accurate but not perfect, especially with handwritten receipts.
- Set up approval routing rules early so expenses flow to the right reviewer automatically.
Common Issues
| Issue | Cause | Solution |
|---|---|---|
| Receipt not scanning | Poor image quality or unusual receipt format | Upload a clearer photo or enter the data manually |
| Expense stuck in pending | No reviewer with approval permissions for this category | Check approval routing configuration |
| Category missing | Custom category not created | Ask an administrator to add the category |
| Amount mismatch after scanning | AI misread the total (e.g., tip included) | Edit the amount manually before submitting |
| Rejected expense cannot be resubmitted | Rejection reason not addressed | Review the rejection note, make corrections, then resubmit |
Related Features
- Budget Management – Track spending against budgets
- Bill Management – Track vendor bills alongside expenses
- Tax 990 Preparation – Expenses feed into tax filing data
- Workflows – Automate expense routing and approval chains
Need Help?
If expenses are not processing or approvals are stuck:
- Verify that the expense has all required fields filled in
- Check that an approver with the Finance Process permission is assigned
- Review the rejection reason if the expense was returned
- Contact support through the in-app help widget for further assistance