InterNACHI's Standards of Practice include:

3.1.  Roof 

3.2. Exterior 

3.3. Basement, Foundation, Crawlspace and Structure

3.4. Heating 

3.5. Cooling 

3.6. Plumbing 

3.7. Electrical 

3.8. Fireplace 

3.9. Attic, Insulation and Ventilation

3.10. Doors, Windows and Interior

You can find the most recent InterNACHI SOP HERE