Courteously Identify Themselves. Image via Wikipedia NYPD Patrol Guide Procedure 203-09: Officers Must Courteously Identify Themselves. Civilians filed 231 allegations of “refusal to provide name and/or shield number” in 1999, 349 in 2000, 468 in 2001, and 636 in 2002, a 175% increase in just four years and an 82% increase in