Simplify the following text for a Grade 8 native English-speaking person.
Original: Copyright law is different from country to country , and a copyright notice is required in about 20 countries for a work to be protected under copyright . Before 1989 , all published works in the US had to contain a copyright notice , the Â symbol followed by the publication date and copyright owner 's name , to be protected by copyright .
Simplified: Because of copyright , a work can only be copied if the owner of the copyright gives permission .