The law is meant to reach anyone who buys or otherwise deals in used items at least once a month, and requires noncash payment methods. And that’s just the start: [Ackel & Associates]
…For every transaction a secondhand dealer must obtain the seller’s personal information such as their name, address, driver’s license number and the license plate number of the vehicle in which the goods were delivered. They must also make a detailed description of the item(s) purchased and submit this with the personal identification information of every transaction to the local policing authorities through electronic daily reports. If a seller cannot or refuses to produce to the secondhand dealer any of the required forms of identification, the secondhand dealer is prohibited from completing the transaction.