All lots or part of lots in the following districts,
which are improved with a commercial or industrial use and whose side
or rear lines are adjacent to a residential district or a pre-existing,
nonconforming residential use, shall be screened from such residential
district or use by landscaped buffer strips or other such screening
along said side or rear lines as may be approved by the Planning Board:
A. NC Neighborhood Commercial.
D. IC Interchange Commercial.