Here is a list of potential restrictions and regulations on private ownership of slot machines in the United States on a state by state basis. Note that these regulations are subject to change without notice and are not fully guaranteed to be completely accurate.

State
Age of Machine
Legal Status

Alabama
Any Class II
LEGAL

Alaska
Any machine
LEGAL

Arizona
Any machine
LEGAL

Arkansas
Any machine
LEGAL

California
25 [...]

US gambling revenue dropped  15% in May. In Las Vegas, the percentage is 16.4%. As for Atlantic City, the casinos gambling revenue down 11% in June, comparing with the same month of the last year (a single casino shows an increase in revenue, Harrah’s Resort Casino). In Illinois, gambling revenue was [...]

Press Release
Free movement of services: Commission inquires into restrictions on the provision of certain gambling services in Sweden
The European Commission has decided to send an official request for information on national legislation restricting the supply and promotion of certain gambling services to Sweden. In April 2006 the Commission sent a similar [...]

Press Release
Free movement of services: Commission inquires into restrictions on gambling services in Germany
The European Commission has decided to send to Germany an official request for information on national legislation restricting the supply of gambling services. The Commission wishes to verify whether the measures in question are compatible with Articles 43, [...]