What action results in a penalty of $50?

The action that results in a penalty of $50 is not wearing a seatbelt. In Puerto Rico, as in many places, wearing a seatbelt is a legal requirement designed to enhance the safety of drivers and passengers. Failure to comply with this regulation can lead to a fine, reflecting the importance placed on seatbelt use in reducing injuries during car accidents.

In contrast, other actions such as speeding or unsafe lane changes typically result in higher penalties, especially since they pose significant risks to road safety and can lead to more severe accidents. Driving over the speed limit in school zones is treated even more strictly, often resulting in steeper fines due to the increased danger posed to children and pedestrians in those areas. Thus, while all these actions are violations, not wearing a seatbelt specifically carries the distinct penalty of $50 in Puerto Rico.