The phrase "designated person" refers to someone who has been specifically chosen or assigned to perform a particular role or responsibility. Full definition
Each group has its own membership criteria, and designated people who handle membership who can assist you with your questions. (collabtraining.com)
It also highlighted the need for due process for designated persons and called for early publication of guidelines on exemptions. (newlawjournal.co.uk)
The proposal, which would allow designated people with concealed - weapons licenses to carry guns at schools, was removed from the committee agenda. (floridapolitics.com)