A police officer who finds any person 18 years of age or older violating this subtitle may issue such person a citation to appear in court for trial. The officer is not required to take the person into physical custody for the violation unless:the person charged does not furnish satisfactory evidence of identity; or the officer has reasonable grounds to believe the person charged will disregard a written promise to appear. City Code, 1976/83, art. 19, §19A(b)(4) Ord. 90-615