In case the owner or operator does not claim the vehicle within the required time limit: the Director of Transportation shall proceed to sell or dispose of the vehicle at public auction, as provided in Part 5 of this subtle; and no vehicle held at the auto pound may be released without the written approval of the Director, whose approval however, may not be unreasonably withheld. City Code, 1976/83, art. 31, §96(i) Ord. 69-343 Ord. 80-150 Ord. 85-388 Ord. 86-769 Ord. 86-793 Ord. 89-307 Ord. 90-516 Ord. 15-435