Complex sentence: As originally proposed in the draft of the bill, copyright protection required putting the word "copyright" or a sanctioned abbreviation on the work of art itself, also for paintings, the argument being that the frame was detachable.
Split into simpler sentences: As originally proposed in the draft of the bill, copyright protection required putting the word "copyright" or a sanctioned abbreviation on the work of art itself. This included paintings, the argument being that the frame was detachable.