Under what condition may an individual withdraw their refusal to take a test for alcohol concentration?

When a person is subjected to a request for a test to determine their alcohol concentration, they may withdraw their refusal if a qualified individual is available to administer the test within a certain time frame. This is based on the principle that immediate testing can lead to more accurate results, both for the individual and law enforcement.

If a qualified individual—such as a trained technician or medical professional—is on hand and can administer the test promptly, it allows for the assessment of the person's blood alcohol concentration while the evidence and circumstances surrounding the situation remain fresh. This ensures that legal proceedings are based on the most accurate and timely information.

The other conditions listed do not inherently provide a basis for withdrawing a refusal. For instance, merely being in a public place or having a legal representative present does not change the original request for testing or the implications of refusing it unless other specific legal provisions allow for it. Meanwhile, being released from police custody would not apply to the situation at hand, as it would generally mean that testing would no longer be required or possible.