What Is an AUP Engagement?
An agreed-upon procedures (AUP) engagement is when a practitioner performs specific tasks and reports what they found, without giving any formal opinion. Three parties are involved: the practitioner who does the work, the party who hires them, and the people who will use the results.
Key benefits of AUP engagements include:
- Practitioners can get comfortable with certain types of transactions through targeted procedures.
- The engaging and responsible parties can focus on specific areas that need attention.
- Limited assurance needs can be met without full attestation engagements.
- Practitioners can leverage their expertise for consulting engagements within defined parameters.
Modernizing Attestation: SSAE 19’s Major Updates

SSAE 19 significantly enhances the flexibility of agreed-upon procedures engagements. The new agreed-upon procedures standard introduces changes that streamline how practitioners help clients. Early implementation was permitted, with full adoption needed for AUP reports dated after July 15, 2021.
Here are some key modifications:
- No explicit assertion request: The auditor no longer needs the client to formally state what they are claiming.
- Flexible procedure development: Procedures can be designed and even developed during the audit itself.
- Client responsibility for procedure appropriateness: The client now takes responsibility for ensuring the audit procedures are ideal for their intended use, documented in a representation letter. This removes the auditor’s direct responsibility to the report’s users.
- Flexibility in report distribution: Reports can now be issued for general use, but the auditor can still restrict their distribution if deemed necessary.
- User awareness: The report must now include disclosures to warn users about potential misinterpretations of its findings.
These changes aim to make agreed-upon procedures engagements more flexible and efficient while maintaining the audit process’s integrity.


