Only those who participated in the planning process can protest and new issues cannot be introduced.
Refer to Section 2.2.4 in each document for a comparison of the two plans.
Suppose you bought land in a new subdivision and the builder offers four floor plans for your consideration.
You go through them and give him your feedback.
A year later he comes back with a new plan that was not among the original four and he wants you to accept it without comment.
Are you going to agree to that?