Chapter — 401.1

It mandates that every occupied space be ventilated by natural means (per Section 402) or mechanical means (per Section 403).

It ensures that building paths, ramps, and elevators meet minimum accessibility requirements. 4. U.S. Foreign Affairs Manual (9 FAM 401.1)

Activities such as filling or excavating wetlands, relocating streams, or constructing bridges/roadways over water typically require this certification. Chapter 401.1

This is often cited as "401" or "401 Certification" and is one of the most significant environmental regulations in the U.S..

States like California or Illinois have 30 days to notify you if your application is complete. The certifying authority then has a "reasonable period of time" (not exceeding one year) to act on it. It mandates that every occupied space be ventilated

23.1-401.1. Constitutionally protected speech - Virginia Law

For those dealing with immigration, this chapter introduces . States like California or Illinois have 30 days

It establishes that a consular officer may issue a visitor visa even if an immigrant visa application is pending, provided they are satisfied the stay is temporary and consistent with B1/B2 classification. 5. Other Legal & Professional Chapters