What age under which records are flagged upon notification of a missing child?

The correct answer is based on protocols and laws surrounding missing children. When a child is reported missing, there are specific age thresholds established to prioritize the urgency of the response. The age of 11 years is critical in this context, as children under this age are often considered more vulnerable and the circumstances around their disappearance may necessitate immediate and heightened attention.

In many jurisdictions, including the policies that guide law enforcement and child protection agencies, children under the age of 11 are flagged for more intense investigative measures when they go missing. This reflects an understanding that younger children are generally less able to care for themselves, increasing the importance of a swift response to protect their safety.

For ages above this threshold, while the situation remains serious, the protocols might differ based on considerations about the child's ability to navigate their environment or circumstances independently. Thus, the age of 11 serves as a significant marker for initiating comprehensive search and rescue procedures in the context of missing persons.