Which statement is true about subletting smog inspections in California?

In California, subletting smog inspections is regulated and does indeed require adherence to specific guidelines set by the Bureau of Automotive Repair (BAR). These regulations are in place to ensure that inspections are conducted properly and with integrity, maintaining the standards required for emissions testing.

When a smog inspection station decides to sublet inspections, they must follow the prescribed guidelines which detail how this process should be managed, assure accountability, and ensure that the quality of smog inspections remains consistent. This is crucial for protecting the environment and public health by ensuring that vehicles are tested thoroughly and accurately.

The other options are misleading in various respects. For instance, stating that subletting is always allowed overlooks the regulatory requirements that need to be adhered to. As for the idea that only Test-and-Repair stations can sublet, this narrows the context inaccurately, as other types of stations may also be subject to specific conditions for subletting. Lastly, suggesting that subletting can be done without restrictions ignores the important legal and operational guidelines that must be followed under California law.