> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sayed.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Part IX: Alteration, Addition and Change of Use of Existing Buildings

> Applicability and implementation, and evaluation and compliance.

Part 9 covers alteration, addition, and change of use of existing buildings: applicability and implementation of the Code, and evaluation and compliance requirements.

## Chapters

<CardGroup cols={2}>
  <Card title="Chapter 1: Applicability and Implementation" icon="scroll" href="/bnbc2006/part-9-alteration-addition-and-change-of-use/chapter-1-applicability-and-implementation">
    Applicability of the Code to existing buildings and implementation requirements.
  </Card>

  <Card title="Chapter 2: Evaluation and Compliance" icon="clipboard-check" href="/bnbc2006/part-9-alteration-addition-and-change-of-use/chapter-2-evaluation-and-compliance">
    Planning, safety, egress, and structural evaluation and compliance.
  </Card>
</CardGroup>