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Appendix C: Attribute Data Specifications We recommend mapping editors and address authorities use the following schema values for the attribute data. Attribute Field Name Datatype Length Domain Additional Code AddCode String 6 Additional Data URI AddDataURI String 254 Additional Location Infor- mation Addtl_Loc String 225 Address Point Type Pointtype SmallInteger 2 Address Point Type Address Notes Addressnotes String 255 Address Number Add_Number String 6 Address Number Prefix AddNum_Pre String 15 Address Number Suffix AddNum_Suf String 15 Agency Agency String 255 Alternate Access Alternateacces String 255 Acquisition Technique Acqu_tech SmallInteger 2 Acquisition Technique Building ID Building_ID String 255 Building Name English Bldg_name_en String 150 Building Name French Bldg_name_fr String 150 Building Name Indigenous Bldg_name_ indig String 150 Building Name Indigenous Syllabic Bldg_name_ indig_syl String 150 Building Name Other Bldg_name_ other String 150 Civic ID Civicid String 255 Complete Landmark Name LandmkName String 150 Country Country SmallInteger 2 County or Equivalent (A2) County String 100 Creation Date Creation_date String 28 Discrepancy Agency ID DiscrpAgID String 100 Effective Date Effective String 28 Elevation Elevation String 6 Expiration Date Expire String 28 Feature ID Featureid String 255 Floor Floor String 75 Full Address English Full_addr_en String 150 Full Address French Full_addr_fr String 150 Community Civic Addressing Guide to Best Practices v4.0 19

• Cover
• 1 Overview
• 2 Civic Addressing
• 2.1 Civic Address Naming and Format
• 2.2 Address Format
• 3 Civic Address Assignment
• 3.1 Assigning Address Numbers
• 3.2 Rural Addressing
• 3.2.1 Dominion Land Survey System
• 3.3 Island Property Addressing
• 4 Civic Address Representation
• 5 Data Quality Checks for NG9-1-1
• Appendix A: Attribution
• Appendix B: Feature Attribute Values
• Appendix C: Attribute Data Specifications
• Figure 1 Simple Addressing Starting with Low Numbers
• Figure 2 Simple Addressing with Cross-Street Preface Numbering
• Figure 3 Addressing from Higher Road Classifications
• Figure 4 Cul-de-Sac Addressing
• Figure 5 Dead End Road Addressing
• Figure 6 Crescent Addressing
• Figure 7 Rural Addressing
• Figure 8 Addressing in a Dominion Land Survey Township Section
• Figure 9 Island Addressing
• Figure 10 Parcel Centroid Addressing
• Figure 11 Building Centroid Addressing
• Figure 12 Parcel Frontage Offset Addressing
• Figure 13 Additional Address Locations
• Table 1 Site Address Point Attributes
• Table 2 Additional Location Attributes
• Table 3 Pre/Post Directionals
• Table 4 Unit Type
• Table 5 Road Types
• Table 6 Province or Territory
• Table 7 Acquisition Technique
• Table 8 Address Point Type
• Table 9 Language Indigenous
• Table 10 Language