# Spec section

> Source: https://deviationcheck.com/glossary/spec-section/

A numbered part of the project specifications covering one scope of work, written in the CSI three-part format of General, Products, and Execution. An example is 09 51 00 Acoustical Ceilings.

Also called: Specification section

Related terms: CSI MasterFormat, Performance specification, Prescriptive specification
