Question

What permissions are needed in order to use a work online that is in the public domain?

A.
Written permission from the creator

B.
A legal agreement attached to the work

C.
A justification through fair use

D.
None

Answer 1

$⇒Written \: permission \: from \\ the \: creator$

The term “public domain” refers to creative materials that are not protected by intellectual property laws such as copyright, trademark, or patent laws. ... Anyone can use a public domain work without obtaining permission, but no one can ever own it.