It depends what side of the equation you're on (owner/user), the amount used, the purpose of the use, and more. In most cases, permission in writing needs to happen, but this is not always the case.
A) Use only original material B) Use only material confirmed to be in the public domain C) Find the copyright holder of any other material and, in writing, obtain the necessary permissions.
The copyright holder, or anyone the copyright holder authorizes.
To determine if material posted online is copyrighted, look for a copyright symbol (), the word "copyright," or the phrase "all rights reserved." Additionally, check for any statements or disclaimers indicating the material is protected by copyright law. You can also search for the material in copyright databases or contact the creator for permission to use it.
No. Unless things have changed, the most accepted form of not breaking copyright with printed material is that up to 1 third of the material may be copied for reference purposes. Any more then that is breach of copyright. Why do you think it's called "Copyright" if any one is allowed to copy it entirely? The "right" to copy it remains with the copyright holder.
You would need permission from the creator or rightsholder to use any material that is not your own.
No. Public domain means that the material is available for use by anyone, without copyright restriction.
You may use copyright protected material when you are the copyright holder, or when you have permission from the rightsholder or an exemption in the law. The most notable exemption is fair use or fair dealing, which allows certain limited unlicensed uses in situations such as education and commentary.
Contact the site owner by looking them up in whois.
Contact the copyright holder and request permission.
To address a copyright alert 2 for unauthorized use of digital content, the individual should immediately stop using the copyrighted material and take steps to remove it from their platform. They should also reach out to the copyright holder to discuss the issue and potentially seek permission or a license to use the content legally. Additionally, they should familiarize themselves with copyright laws and regulations to avoid future infringements.
Infringement is the use, without permission, of copyrighted material that does not fall under a "fair use" or other exception to copyright law,
You would be guilty of copyright infringement, a federal crime.