Solve : File Extenstion Register?

1.	Solve : File Extenstion Register?
Answer» What is the procedure of registering a new extenstion say for example "*.SNL". I want to use a file with this extension for a COMMERCIAL application, so I want to know if I can use it WITHOUT any restriction or do I have to check for copyright. Also on the other hand if I have to copyright this extension where can I register this and what is the procedure. thanks schools out........ask the teacher......Use it straight away Update US if SOMEONE catches you

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