Auckland Council is apologising for issuing several A-grade restaurants with D food grade ratings.
The council last month said 25 Auckland eateries have been given D or E ratings, with those on the worst ratings being made to close down until they fix the problem.
Reasons for the ratings include poor pest control, cleaning, cooking processes and food storage.
However, the council has accepted that it had this month wrongly graded at least two restaurants, and the Herald understands there may be a third.