This document, which is intended as a guide for work force preparation program providers, details the Illinois occupational skill standards for programs preparing students for employment in occupations in the architectural drafting cluster. The document begins with a brief overview of the Illinois perspective on occupational skill standards and credentialing, the process used to develop the skill standards, and assumptions underlying the standards. Presented next are skill standards for 25 tasks typically performed by workers in the architectural drafting cluster. Each skill standard statement contains the following components: (1) the actual skill standard (including the conditions of performance, work to be performed, and performance criteria); (2) performance elements and assessment criteria; and (3) a recommended assessment and credentialing approach. The following are among the tasks for which skill standards are provided: measure using scales; draw geometric constructions; construct multiview and dimensional drawings; draw architectural plans; and check completed architectural plans. The following items are appended: glossary; list of Illinois Occupational Skill Standards and Credentialing Council members; list of Transportation, Distribution, and Logistics Subcouncil members; list of Architectural Drafting Cluster Standards Development Committee members; Transportation, Distribution, and Logistics Subcouncil Architectural Drafting Cluster skill standards recognition proposal; and list of necessary workplace skills. (MN)