(1) Except pursuant to an authority granted under section 14, it shall not be lawful for any person to destroy, damage, or modify, or cause to be destroyed, damaged, or modified, the whole or any part of any archaeological site, knowing or having reasonable cause to suspect that it is an archaeological site.
(2) Except as provided in section 15 or in section 18, it shall not be lawful for any person to carry out any archaeological investigation that may destroy, damage, or modify any archaeological site.