No jurisdictional Standards of Practice requirements exist for commercial inspection as they do for home inspection. A client may specify that the assessment comply with one of the following standards
ASTM E2018-15 Commercial Evaluation First published in 2015, is the Standard most commonly requested by clients. See an overview here.
InterNACHI/CCPIA Commercial Inspection Standards of Practice First published in 2019 by the Certified Commercial Property Inspectors Association (CCPIA), it's what their commercial courses are based on.
Standard and Poor PCA Criteria Because the inspector must be a licensed PE or licensed architect it's rarely used except for those performing larger, more complicated inspections like high rise, heavy industrial, or large government buildings.
Americans with Disabilities Act (ADA) is a specialized standard that may be requested as part of the assessment. Online checklists are available.
Fair Housing Act (FHA) is another specialized standard that may be requested as part of the assessment.