481 (a) Positive adjustment: 4 years adjustment period Negative adjustment: 4 years Year of change Year Form 3115 is timely filed (1) Change from Category A method not allowed if the taxpayer is under examination for the year in which the taxpayer adopted the method, and the method was an impermissible method with respect to the taxpayer in the year of adoption.
What does 405 stand for?
405 stands for Method Not Allowed (HTTP status code; indicates a request in an unsupported format)
This definition appears very frequently and is found in the following Acronym Finder categories:
- Information technology (IT) and computers
- Abbreviation Database Surfer
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- 4-Wheel Drive
- Four Wire
- Traffic Accident - Public Road (Alabama Public Safety Radio Code)
- Bad Request (HTTP status code; indicates bad syntax or unfulfillable)
- Temporary Redirect (HTTP status code; look elsewhere on that request only)
- HTTP Web Error 401 - Authorization Required
- Payment Required (HTTP status code; never used, intended as error for nonpayment)
- HTTP Web Error 403 - Access Forbidden
- I Have No Clue (chat abbreviation)
- Item/Article Not Found (web/HTTP code)
- Not Acceptable (HTTP status code)
- Proxy Authentication Required (HTTP status code)
- Request Timeout (HTTP status code)
- Conflict (HTTP status code)
- 40th Infantry Division (Mechanized)
- 40 Stitches Later (band)
- Traffic Accident - Private Property (Alabama Public Safety Radio Code)
- Gone (HTTP status code; permanently deleted, similar to 404)
- Length Required (HTTP status code)
- Local Telephone Information (United States)