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Table 1 Site Address Point Attributes Appendix A: Attribution We define the attribute requirements for address data according to NENA's NG9-1-1 data model. e primary users of address data include the following professionals: emergency services, disaster response and management, utilities, services delivery, and planning and development. e attributes in Table 1 are not only required for the NENA Data Model but are also required for the Community Map of Canada. e administrative attributes that include the prefix A- (e.g., A1, A2, A3 and A5) area used by 911 authorities. Attributes denoted by '*' indicate a domain value table. In the following tables, we provide notation that highlights important requirements: • Attributes marked with a check mark in the NENA column are require- ments for NG9-1-1 as set by NENA. Attribute Description NENA Additional Code e code differentiating duplicate addresses in the same county Additional Data URI URI for data associated with the address point Additional Location Information A part of a sub address that is not a building, floor, unit, room or seat Address Notes Additional information describing the address Address Number e address number—not zero or a negative number • Example: 24 Address Number Prefix A prefix to the primary address number • Example: A 24 Address Number Suffix A suffix to the primary address number • Example: 24 A Agency e agency managing addresses Alternate Access Alternate entrances to sites inaccessible by road Acquisition Technique* e method for locating the address point Building ID An address's foreign key associated with a building Building Name English A building's English name Building Name French A building's French name Building Name Indigenous A building's Indigenous name Building Name Indigenous Syllabic A building's Indigenous name in syllabic char- acters Civic ID A civic address record's unique ID • Note: is attribute may include a Civic ID for sub addresses or additional locations. Community Civic Addressing Guide to Best Practices v4.0 10

• 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