Xiao County Police Station. The resident ID card of Longcheng Town in Xiao County is issued by the public security agency of the county-level people's government where the resident's permanent residence is located, that is, by the Xiao County Police Station. Citizens should apply to the public security bureau in the place of their permanent residence to obtain a resident identity card within three months from the date they reach the age of 16. For citizens under the age of 16, their guardian should apply for a resident identity card on their behalf.