520 CMR: Department of Public Safety
| Citation | Title |
|---|---|
| 520 CMR 3 | The Use of the Cinematograph and Similar Apparatus for the Exhibition of Motion Pictures |
| 520 CMR 5 | Amusement Regulations |
| 520 CMR 6 | Hoisting Machinery |
| 520 CMR 8 | Licensing for and Resale of Tickets of Admission |
| 520 CMR 10 | Power Lawn Mowers |
| 520 CMR 12 | Requirements for the Installation of Tanks containing Fluids Other Than Water in Excess of 10,000 Gallons |
| 520 CMR 13 | The Operation of Horse Drawn Carriages for Public Hire on Public Roads and Ways of the Commonwealth to Inspire Public Safety |
| 520 CMR 14 | Excavation and Trench Safety (Jackie's Law) |
| 520 CMR 15 | Permitting of Ice Cream Truck Vendors |