BUILDING ACT 1975 - SECT 11 Who is the assessment manager for a building development application BUILDING ACT 1975 - SECT 11 Who is the assessment manager for a building development application 11 Who is the assessment manager for a building development application (1) Generally, the "assessment manager" for a building development application is the assessment manager for the application under the Planning Act , section 48 (1) . (2) However, if under section 48 a private certifier (class A) is performing functions for the application, the certifier is the assessment manager for the application.