# Shapefile Update Notice

## Summary
A new attribute column has been added to the shapefile to support additional information and improve data usability.

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## Dataset Information

- **Dataset Name:** [BASE_NS_CivicAddress_File_UT83]
- **Geometry Type:** [Point]
- **Date of Change:** April 16, 2026
- **Coordinate System:** [NAD83(CSRS)v3, UTM Zone 20, CGVD28 / NAD83(CSRS)v6, UTM Zone 20, CGVD2013]


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## Change History

### Update – April 16, 2026
**Change Type:** Schema update (attribute added)

## New Attribute Added

| Field Name | Data Type | Description |
|-----------|----------|-------------|
| CIVNID | [Integer] | A unique identifier for civic numbers |

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## Impact to Users

- Existing geometries remain unchanged.
- Users with automated scripts should refresh field list.

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## Additional Notes

- The shapefile projection, geometry type, and existing attributes are unchanged.
