At what point in the development approval process is a project considered "vested?"
A project is usually considered “vested” when footings are placed in the ground. However, the MIOZ exempts the following permits:
- Permits for changes in ownership, name, occupancy; with no change in use
- Permits for any grading or infrastructure improvements
- Permits for any public utility, or private utility for public use
- Permits for fences or walls
- Alterations requiring a permit of a minor nature pursuant to Section 27-255
- Areas in Prince George’s County defined by the 2009 Joint Base Andrews Naval Air Facility Washington Joint Land Use Study as Imaginary surfaces “C” (part of the Approach-Departure Clearance Surface) and “F” (Outer Horizontal Surface) are not subject to the provisions of the M-I-O Zone
- Permits issued pursuant to one of the following development approvals, provided that the application was approved prior to the date of classification of the property into the M-I-O Zone and the validity period for such approval has not expired:
-> A final plat of subdivision approved for single family detached residential development
-> A preliminary plan of subdivision for development not otherwise requiring a DSP
-> A special exception for development not otherwise requiring a DSP
-> A Detailed Site Plan; or a Specific Design Plan

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1. What is the MIOZ?
2. What is the MIOZMA?
3. What are the Safety Zones?
4. When will the MIOZ take effect?
5. Why do these regulations extend beyond the Clear Zone?
6. What kind of accidents are possible in the Safety Zones?
7. After all the development that has been allowed, why is this legislation being proposed now?
8. The MIOZ refers to the need to have a Use and Occupancy Permit. I heard that such permits were not required for churches. Is this true?
9. All the MIOZ make my use or structure nonconforming? Can a nonconforming use be replaced by the same use after the MIOZ is enacted? Are uses prohibited by the MIOZ “grandfathered” in?
10. Are new churches allowed?
11. Why aren’t we restricting JBA activity instead of many of the prohibited uses in the MIOZ?
12. I live in a single-family home. The MIOZMA establishes height limits that may be as high as several hundred feet. How does this affect me and why am I being placed in this zone?
13. The letter I received contained a reference to an affidavit requirement and the intensification of zoning. Can you provide more information?
14. What are the restrictions outside of the APZs?
15. How can the zoning be seen at the "street" level?
16. At what point in the development approval process is a project considered "vested?"