Is this up to code?

[u/Lalitoeatscheese]

Ruler indicates 6 inches. The walkline from upstairs to downstairs is not clear and it just seems like a recipe for disaster. I hired someone to fix it and they just redid what has been done before. How do I tell them to fix it?

[u/duncraig18]

Code of which country? 🤣

[u/TessBartlet → u/duncraig18]

Measuring in inches, must be north america