[NoQA] Create Duplicate-detection.md

docs/articles/new-expensify/expenses-&-payments/Duplicate-detection.md

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+---
+title: Duplicate Detection
+description: Identify and manage duplicate expense requests
+---
+
+<div id="new-expensify" markdown="1">
+
+Duplicate Detection helps prevent duplicate expense requests within a member’s account. By identifying and flagging potential duplicates, it ensures better oversight and control over expenses, enhances fraud prevention, and eases the approval process. This feature is available exclusively for paid plans (Collect & Control).
+
+# What is a Duplicate?
+
+A duplicate is an expense request with the same date and amount as another request in an individual member's account. When detected, duplicates are flagged as with a violation and put on “hold”.
+
+# Surfacing Potential Duplicates
+
+{% include selector.html values="desktop, mobile" %}
+
+{% include option.html value="desktop" %}
+1. Identify the red dot indicator in the Left-Hand Navigation (LHN) or workspace chat, which signifies a potential duplicate.
+2. Click on the flagged request to open it.
+3. Review the system message indicating the request is on hold due to a potential duplicate.
+4. Click the green **Review duplicates** button in the request header to navigate to the resolve duplicates page.
+{% include end-option.html %}
+
+{% include option.html value="mobile" %}
+1. Identify the red dot indicator in the LHN or workspace chat, which signifies a potential duplicate.
+2. Tap on the flagged request to open it.
+3. Review the system message indicating the request is on hold due to a potential duplicate.
+4. Tap the green **Review duplicates** button in the request header to navigate to the resolve duplicates page.
+{% include end-option.html %}
+
+{% include end-selector.html %}
+
+# Resolving Duplicates
+
+{% include selector.html values="desktop, mobile" %}
+
+{% include option.html value="desktop" %}
+1. On the resolve duplicates page, review the chronological list of potential duplicates.
+2. Choose an action:
+   - **Keep all**: Dismiss the duplicates and remove the hold.
+   - **Keep this one**: Merge duplicates, keeping one request and discarding the rest.
+3. If discrepancies exist (e.g., category, tags), choose which details to keep using the one-by-one flow.
+4. Confirm your selection to merge requests or keep all.
+5. The hold is removed, and system messages are updated accordingly.
+{% include end-option.html %}
+
+{% include option.html value="mobile" %}
+1. On the resolve duplicates page, review the chronological list of potential duplicates.
+2. Choose an action:
+   - **Keep all**: Dismiss the duplicates and remove the hold.
+   - **Keep this one**: Merge duplicates, keeping one request and discarding the rest.
+3. If discrepancies exist (e.g., category, tags), choose which details to keep using the one-by-one flow.
+4. Confirm your selection to merge requests or keep all.
+5. The hold is removed, and system messages are updated accordingly.
+{% include end-option.html %}
+
+{% include end-selector.html %}
+
+# Approver Review
+
+{% include selector.html values="desktop, mobile" %}
+
+{% include option.html value="desktop" %}
+1. Identify the red dot and "Duplicate" indicators in the expense report.
+2. Click the request with the duplicate indicator.
+3. Click the green **Review duplicates** button to navigate to the review duplicates page.
+4. Choose an action:
+   - **Keep all**: Confirm to keep all requests and resolve duplicates.
+   - **Keep this one**: Navigate through the one-by-one flow to choose the details to keep, followed by confirmation.
+5. Confirm your choices to finalize the action and update system messages accordingly.
+{% include end-option.html %}
+
+{% include option.html value="mobile" %}
+1. Identify the red dot and "Duplicate" indicators in the expense report.
+2. Tap the request with the duplicate indicator.
+3. Tap the green **Review duplicates** button to navigate to the review duplicates page.
+4. Choose an action:
+   - **Keep all**: Confirm to keep all requests and resolve duplicates.
+   - **Keep this one**: Navigate through the one-by-one flow to choose the details to keep, followed by confirmation.
+5. Confirm your choices to finalize the action and update system messages accordingly.
+{% include end-option.html %}
+
+{% include end-selector.html %}
+
+# Next Steps
+
+- **For members**: Once resolved, the request is automatically unheld, and a system message indicates the resolution.
+- **For approvers**: After confirming the resolution, system messages are updated, and the request status is appropriately adjusted.
+
+{% include faq-begin.md %}
+**Can I review a dismissed duplicate later?**
+
+Yes, approvers can review dismissed duplicates to ensure accuracy and prevent fraud.
+
+**What happens if I choose to keep all duplicates?**
+
+Choosing to keep all duplicates will remove the hold from the requests, and system messages will be updated to reflect this action.
+
+**Can I edit a duplicate request once resolved?**
+
+Yes, you can edit the details of a duplicate request once it has been resolved, but the hold must be removed first.
+
+**What if there are discrepancies in the duplicate requests?**
+
+You will be guided through a one-by-one flow to choose which details to keep from each request.
+
+**If two expenses are SmartScanned on the same day for the same amount, will they be flagged as duplicates?**
+
+Yes, they will be flagged as duplicates unless:
+- The expenses were split from a single expense,
+- The expenses were imported from a credit card, or
+- Matching email receipts sent to receipts@expensify.com were received with different timestamps.
+
+**What happens if Concierge flags a receipt as a duplicate?**
+
+If Concierge lets you know it has flagged a receipt as a duplicate, scanning the receipt again will trigger the same duplicate flagging.
+{% include faq-end.md %}
+
+</div>