| Course | ACC 645 Advanced Auditing |
|---|---|
| Module | Module 7 |
| Paper type | graduate discussion post on sustainability assurance |
| Length | About 360 words, 3 pages |
| Format | APA 7 student paper |
| School | Southern New Hampshire University |
| Program | MS Accounting |
| Updated | October 2026 |
Free sample paper for ACC 645 Module 7
Module Seven Discussion
A Small Footprint and a Big Customer
The payroll company's largest customer, a regional bank, now requires its significant suppliers to report Scope 1 and 2 greenhouse gas emissions annually with at least limited assurance. The company is below the revenue thresholds of state climate disclosure laws, so this is a commercial requirement, but losing the bank would cost about 3 percent of revenue.
Under the AICPA attestation standards, a limited assurance engagement is a review: the practitioner performs mainly inquiries and analytical procedures and concludes that nothing came to its attention indicating the emissions are not presented in accordance with the criteria (American Institute of Certified Public Accountants, 2016). Reasonable assurance is an examination with tests of underlying data and a positive opinion. The criteria here would be the Greenhouse Gas Protocol.
The interesting problem is the boundary. The company's Scope 1 and 2 emissions are small, about 2,400 metric tons from leased offices and a few vehicles, and easy to assure from utility bills and fuel cards. But its main activity, running payroll software, happens in a cloud provider's data centers, which the protocol treats as Scope 3, and those emissions are several times larger and depend on the provider's own estimates. Limited assurance over Scope 1 and 2 would therefore be accurate and cheap but would say little about the company's real footprint. A user who reads assured emissions of 2,400 tons without that context could be misled.
Who should provide it? Simnett et al. (2009) found that companies choosing assurers weigh accounting firms' assurance expertise against engineering firms' technical knowledge, with the choice influenced by the legal and governance setting. Casey and Grenier (2015) examined why relatively few U.S. companies sought such assurance and what followed when they did. For this company I would choose its CPA firm, which already understands its data systems through the SOC work, provided independence rules allow it and a specialist joins the team.
For classmates: for a company whose real emissions sit in Scope 3, is limited assurance on Scope 1 and 2 worth buying, or would you push the customer to accept an unassured but fuller report?
References
American Institute of Certified Public Accountants. (2016). Attestation standards: Clarification and recodification (Statement on Standards for Attestation Engagements No. 18). Author.
Casey, R. J., & Grenier, J. H. (2015). Understanding and contributing to the enigma of corporate social responsibility (CSR) assurance in the United States. Auditing: A Journal of Practice & Theory, 34(1), 97-130. https://doi.org/10.2308/ajpt-50736
Simnett, R., Vanstraelen, A., & Chua, W. F. (2009). Assurance on sustainability reports: An international comparison. The Accounting Review, 84(3), 937-967. https://doi.org/10.2308/accr.2009.84.3.937
What the ACC 645 Module 7 instructions ask for
The Module Seven discussion in ACC 645 usually asks about assurance on information other than financial statements, often sustainability or greenhouse gas reporting. Three or four paragraphs supported by the attestation standards, a reporting framework and research, plus replies, is the usual length. Strong posts distinguish limited from reasonable assurance in terms of procedures and conclusions, identify the criteria being assured against, such as the Greenhouse Gas Protocol, and apply both to a specific company. Some prompts ask who should provide such assurance or whether it adds value, which invites a position supported by evidence. A concrete disclosure keeps the post grounded and shows what the conclusion would and would not cover.
How this ACC 645 Module 7 discussion example is built
The post starts with a bank customer's supplier requirement: Scope 1 and 2 emissions with limited assurance. The company's Scope 1 and 2 emissions are small, about 2,400 metric tons from offices and leased vehicles, while its cloud computing, reported as Scope 3, is several times larger. It explains that limited assurance under the attestation standards is a review-level engagement giving a negative conclusion, while reasonable assurance is an examination giving a positive opinion. It discusses whether the company's CPA firm or an engineering firm should provide it, citing Simnett, Vanstraelen and Chua on assurer choice and Casey and Grenier on U.S. demand, and asks classmates which provider they would choose and whether limited assurance on so narrow a boundary is worth buying.
Where the ACC 645 Module 7 rubric puts the points
Scoring for the sustainability assurance discussion typically weighs accuracy on assurance levels and engagement types, identification of suitable criteria, application to a specific company, use of research and replies. Graduate-level posts explain what procedures differ between limited and reasonable assurance, recognize the estimation and boundary issues in emissions data and consider the competence and independence of different providers. Posts that describe sustainability reporting without addressing assurance, or that treat limited assurance as an audit, score lower. Replies that test a classmate's choice of provider or criteria earn more participation credit than agreement. Exact use of the terms subject matter, criteria and conclusion adds precision, as does naming the attestation sections that govern each engagement type.
ACC 645 Module 7 help: the mistakes that cost points
Students sometimes describe limited assurance as a lighter audit, when it is a different engagement with mostly inquiry and analytical procedures and a conclusion stated negatively. Others overlook that assurance is only as meaningful as the criteria and the boundary of what is measured, which is why the scope of emissions assured matters. If your prompt concerns other subject matter, such as a cybersecurity report or a non-GAAP metric, the same framework of criteria, assurance level and provider applies. Name the boundary of what would be assured in your example; it shows you understand what the conclusion does and does not cover. A rough tonnage for each scope helps.
Get ACC 645 Module 7 written to your instructions
Send the ACC 645 Module 7 prompt. The post will explain the assurance levels and criteria accurately, apply them to a concrete sustainability disclosure and weigh research on demand and providers, with a question for replies. Turnaround is two days, and the first is on us. The paper above is an original model document written by our desk, not a submitted student paper and not an official Southern New Hampshire University document.
More ACC 645 papers and related MS Accounting samples
- ACC 645 Module 1 Discussion: When Investors Sue the Auditor
- ACC 645 Module 2 SOC Report Assignment: A SOC 1 Type 2 Report on the Payroll Platform
- ACC 645 Module 3 Milestone One: A Group Audit With a Canadian Component
- ACC 645 Module 4 Discussion: Do Nonaudit Fees Threaten Independence?
- ACC 645 Module 5 Benefit Plan Audit Assignment: Auditing the Company's 401(k) Plan
- ACC 645 Module 6 Milestone Two: A Whistleblower and Backdated Contracts
- ACC 645 Module 8 Internal Audit Assignment: A Risk-Based Internal Audit Plan
- ACC 550 Module 3 Milestone One: Evaluating the Current Costing System
- MBA 687 Module 7 Model Leadership Behavior Memo
- ACC 640 Module 9 Milestone Three: Completing the Audit
- ACC 620 Module 4 Discussion: Who Picks the Pension Discount Rate?
ACC 645 Module 7 questions, answered
Where can I find a free ACC 645 Module 7 Discussion sample?
This page includes the full ACC 645 Module 7 post on limited and reasonable assurance over emissions data.
What is the difference between limited and reasonable assurance?
Limited assurance comes from a review engagement with mainly inquiry and analytics and a negative conclusion; reasonable assurance comes from an examination with more extensive procedures and a positive opinion.
What criteria are used for greenhouse gas reporting?
Commonly the Greenhouse Gas Protocol's corporate standard, which defines Scope 1 direct emissions, Scope 2 purchased energy emissions and Scope 3 other indirect emissions.
Who can provide assurance on sustainability information?
CPA firms under the AICPA attestation standards and other providers, such as engineering and certification firms, under standards like ISO 14064-3, depending on what users and regulations require.
Why do companies seek sustainability assurance?
Research links demand to stakeholder pressure, industry and legal environment, with assurance used to increase the credibility of voluntary disclosures.