Any person that sells ammunition for a firearm, pistol, revolver, rifle or shotgun shall make a report to the City of Philadelphia Police Department of all of the following within seven (7) days of each such sale:
(a) Description of the purchase, including type and quantity.
(b) Name and address of purchaser.
(c) Date of purchase.
The City of Philadelphia Police Department shall establish and maintain a registry of reports received under this section.