In which situations is “Pay Parking” applicable?

The rationale behind the applicability of "Pay Parking" in terms of fees paid and time limits adhered to is that this system is fundamentally designed to regulate parking availability and ensure turnover in busy areas. When users pay for parking, they are financially contributing to the maintenance and management of the parking space, which helps improve accessibility and order in congested locations.

Pay parking typically means that drivers must pay a fee for the time they occupy a parking space, complying with the time limits posted. This encourages efficient use of parking spaces, as it prevents individuals from occupying them for longer than necessary without paying extra. Adhering to time limits ensures that other drivers have the opportunity to use those spaces as well.

The other options do not accurately define the general applicability of pay parking. Displaying parking permits could indicate a different regulation principle entirely. Off-peak hours would imply a system where parking fees might be waived or minimized, and designated parking lots suggest specific locations rather than the broader context in which fee-based parking operates.