Inability of an individual or a group to perform the given tasks up to the established standards. http://www.businessdictionary.com/definition/deficiency-performance.html.
TSA Requirements. The TSA requires that adult passengers ages 18 and older show valid photo ID at the security checkpoint. Children, however, are not required to present such identification. This does not mean, however, that children will be able to fly without it.
There is no age restriction to apply for TSA PreâÂ®. However, family members ages 12 and under traveling with an eligible parent or guardian with a TSA PreâÂ® indicator on their boarding pass can participate in expedited screening.