The sales of 186,000 season tickets, which was not even reached by all federal horticultural shows, the number of 8.1 million visitors, and the removal of the Luisenpark fence, convinced the city council to operate the Luisenpark as city park with entrance fee. However, on October 21, 1975, the decision for a closed Luisenpark with entrance fee fell. It was agreed to have two probationary years (Probejahre) of free entrance, but over 38,000 maps sold yearly demonstrated a convincing argument to maintain the free entrance to the park.