210.52(B)(2) No Other Outlets. The two or more small-appliance
branch circuits specified in 210.52(B)(1) shall have no
other outlets.
Exception No. 1: A receptacle installed solely for the electrical
supply to and support of an electric clock in any of
the rooms specified in 210.52(B)(1).
Exception No. 2: Receptacles installed to provide power
for supplemental equipment and lighting on gas-fired
ranges, ovens, or counter-mounted cooking units.
I tossed that in as I wasn't sure if the question was about GFCIs in general or the small-appliance (countertop) circuits. But...OK either way. One would hope that someone wouldn't turn on a cook-top burner and then run away before he noticed it didn't ignite.
