Official resources
IRS small-business resources
Check federal small-business tax guidance with a qualified adviser when needed.
Who it helps in this publication
A designer or resident comparing spatial references
How to use this source
Space design reference atlas: Check jurisdiction and the responsible office before applying a rule to your own record.
- Open the original source and check its jurisdiction, service area and current date.
- Which design and visual resources help plan a room with clear references?
- Record the exact page, terms and item identifiers relevant to your task. A directory listing does not verify individual eligibility or suitability.
Source & contact information
- Country / market
- US
- State / city
- National / unspecified
- Last checked
- 2026-10-01
- Organization
- Government
- Access / pricing
- Public resource; access or service terms vary
- Phone
- Not captured from public source
- No public email captured; not guessed
- Source URL
- https://www.irs.gov/businesses/small-businesses-self-employed
The original page passed a live HTTP and content check on the stated date.