Identify Tax Issues In Counterpartys Opposition Brief

---
name: identify-tax-issues-in-counterpartys-opposition-brief
task_id: tax/identify-tax-issues-in-counterpartys-opposition-brief
description: Identifying weaknesses in a government opposition brief requires locating the specific passage where each error or vulnerability appears, assigning a severity rating, and analyzing the government's silence on arguments the taxpayer raised — not just cataloging the brief's positions.
activates_for: [planner, solver, checker]
---

# Skill: Identify Tax Issues in IRS Opposition Brief

## 2. Failure modes the skill is correcting

- Treating the task as a general summary instead of a targeted weakness review tied to the brief’s exact passages and the source record.
- Omitting the specific location in the government's brief for each issue, which prevents a usable reply strategy.
- Failing to assign an ordinal severity rating to every issue, leaving the reader without a prioritization framework.
- Missing or underweighting the government's silence on arguments, facts, or regulatory compliance points that the taxpayer supported in the source materials.
- Describing a defect without tying it to the governing tax rule, regulation, or case authority that makes it material.
- Stopping at identification and not stating the downstream litigation consequence or recommended response.
- Collapsing distinct valuation, penalty, regulatory-compliance, and methodology problems into one blended criticism.
- Overstating a weakness without checking whether the source record actually supplies the factual premise or the governing authority in the relevant circuit.

## 3. Legal frameworks / domain conventions that apply

- **Valuation penalty framework:** Identify the penalty tier the government invokes and compare it with the tier supported by the record and the asserted valuation position. Flag any mismatch and explain the consequence at the category level, citing the applicable penalty provision or accuracy-related penalty rule.
- **Economic substance doctrine:** The doctrine is typically aimed at tax-motivated structures lacking real economic consequences. Assess whether the government’s reliance on it fits a charitable-contribution or conservation-easement setting, and cite the doctrine’s statutory or case authority when evaluating that fit.
- **Conservation easement compliance standard:** Identify the specific regulation or deed requirement at issue and the governing appellate standard for compliance. If the relevant circuit recognizes strict compliance, substantial compliance, or a mixed approach, apply the controlling authority and test the brief’s argument against it.
- **Regulatory compliance silence:** If the taxpayer’s materials show compliance with a particular requirement and the government does not address it, treat that omission as a potential strategic weakness and analyze its litigation significance in light of the cited regulation.
- **Expert methodology in property valuation:** Evaluate whether the government’s expert used broad averages, non-comparable comparables, or another methodology that ignores site-specific characteristics material to value. If the expert acknowledges heterogeneity yet still generalizes, analyze the reliability problem under the applicable evidence and appraisal standards.
- **Unchallenged conservation-purpose issues:** If the brief attacks valuation or technical deed issues but does not contest conservation purpose, identify that omission as a remaining issue outside the government’s express challenge and explain its significance for reply framing.

## 4. Analytical scaffolds

Proceed issue by issue. For each issue, do all of the following:

1. **Identify the passage** in the government’s brief by pinpointing the exact section, paragraph, or page/line reference available in the materials.
2. **State the severity** using a uniform ordinal scale: Critical / High / Medium / Low, with a one-line rationale for the label.
3. **State the governing authority**: statute, regulation, leading case, or other controlling source supporting the proposition.
4. **Compare to the source record**: quote or paraphrase the conflicting record point from the attached materials, and identify the specific document that undercuts the brief.
5. **Explain the legal impact**: why the error, omission, or silence matters to the disputed tax issue.
6. **Cross-reference related materials**: note any other clause, filing, appraisal, deed term, or exhibit that interacts with the point.
7. **State the downstream consequence**: how the issue affects penalty exposure, deductibility, burden of proof, credibility, or the reply’s framing.
8. **Recommend a response**: identify the best litigation or drafting move to exploit or neutralize the weakness.

Use separate treatment for distinct issues; do not merge different doctrines, factual mistakes, and silence points into one umbrella entry.

When multiple taxpayers, years, properties, tiers, or regulatory requirements are in scope, enumerate them explicitly before analysis and run the scaffold once per item. If only one item is actually in scope, state that affirmatively.

Balance the memo by noting the government’s strongest points as well as its weakest ones, but keep the focus on weaknesses, errors, and omissions.

## 5. Vertical / structural / temporal relationships (only if applicable)

- Distinguish between issues that go to liability, valuation, penalty, and procedure; do not treat them as interchangeable.
- Track whether the government’s argument depends on a later factual premise, a prior compliance step, or a condition precedent in the deed or regulation.
- Where the source set contains both the taxpayer’s showing and the government’s response, compare them in sequence and identify any gap in the government’s chain of reasoning.
- If the government’s position varies across sections, years, or alternative theories, identify the internal inconsistency and its effect on credibility or alternative pleading.

## 6. Output structure conventions

- Produce an issue-identification memorandum organized by severity, with one entry per discrete issue.
- Define the severity scale once and use it consistently throughout.
- For each entry, include: the brief citation, the issue label, severity, the governing authority, the record contradiction or omission, the legal significance, and the recommended response.
- Where the record supports it, note the relative magnitude or scope of the problem without introducing unsupported arithmetic.
- Include a short concluding section that highlights the government’s strongest arguments and the most promising reply themes.
- End with an explicit Recommended Actions section that assigns the next step to counsel or the relevant team member and ties it to the briefing timeline or other known milestone.