Prompt Details
Model
Chat - (gpt-5.6)
Token size
5,145
Example input
[ORIGINAL SIGNED AGREEMENT]: Fictional Supply Agreement between Northstar Components Ltd. and Cedar Retail Group, effective January 1, 2026. Section 4.2 — Payment Terms: “The Customer must pay each valid invoice within 30 calendar days after receipt.” Section 8.1 — General Terms: “All provisions of this Agreement remain unchanged unless expressly amended in writing by both parties.” This is the complete agreement text supplied for this demonstration.
[AMENDMENT]: Amendment No. 1, dated February 1, 2026. Section 1 — Amendment to Section 4.2: “Section 4.2 is amended by replacing the words ‘30 calendar days’ with ‘45 calendar days’.” Section 2 — Remaining Terms: “All other provisions of the Agreement remain unchanged.”
[OPTIONAL CONTRACT MATERIALS]: Not provided.
Example output
# AMENDMENT IMPACT MAP
Document-Grounded Contract Amendment Review System
## 1. Overall review status
Complete within the supplied evidence
The supplied documents establish one material contractual wording change: the payment period in Section 4.2 of the Supply Agreement changes from 30 calendar days to 45 calendar days after receipt of a valid invoice.
The documentary change is clear. However, the supplied text does not establish the amendment's effective date or demonstrate whether both parties executed it. These issues remain relevant to determining its applicability and final legal effect.
## 2. AMENDMENT IMPACT MAP
## AIM-001 — Payment Terms
Replacement
1\. CHANGE ID
AIM-001
2\. AMENDMENT SOURCE / SEQUENCE
Amendment No. 1, dated February 1, 2026.
3\. CHANGED PROVISION
Section 4.2 — Payment Terms.
4\. ORIGINAL PROVISION REFERENCE
Fictional Supply Agreement between Northstar Components Ltd. and Cedar Retail Group, effective January 1, 2026, Section 4.2. The original agreement does not provide a page number in the supplied text.
5\. AMENDMENT PROVISION REFERENCE
Amendment No. 1, Section 1 — Amendment to Section 4.2.
6\. ORIGINAL WORDING
> “The Customer must pay each valid invoice within 30 calendar days after receipt.”
7\. AMENDED WORDING
> “The Customer must pay each valid invoice within 45 calendar days after receipt.”
The amended clause above is reconstructed by applying the amendment's explicit word replacement to the supplied original clause. The amendment itself specifies the replacement of “30 calendar days” with “45 calendar days”; it does not reproduce the entire amended clause.
8\. CHANGE TYPE
Replacement.
The amendment expressly directs that the words “30 calendar days” be replaced with “45 calendar days.”
9\. DOCUMENTED CONTRACTUAL LINK
Directly documented.
Original Agreement, Section 4.2, establishes the Customer's payment obligation and its original payment period. Amendment No. 1, Section 1, explicitly changes that period.
Amendment No. 1, Section 2, states:
> “All other provisions of the Agreement remain unchanged.”
The amendment therefore documents a specific textual change to the payment period while stating that the other provisions remain unchanged.
10\. AFFECTED CONTRACTUAL ELEMENT
- OBLIGATION: The Customer must pay each valid invoice within the period specified in Section 4.2.
- Documented relationship: The payment obligation and its timing are expressly established by the original provision and the amendment's replacement instruction.
- Potential impact: The longer stated payment period may affect invoice due-date calculations and payment administration.
- RIGHT: No separate affected contractual right is independently established by the supplied wording.
11\. AFFECTED DATE
Original period
30 calendar days
Amended period
45 calendar days
Difference
### +15 calendar days
Classification: Documented date change — specifically, a documented change to a contractual timing period, not to a fixed calendar date.
Calculation basis: 45 − 30 = 15 calendar days.
The revised due date for any particular invoice cannot be calculated without its receipt date and a determination that the amended period applies to that invoice. The supplied text does not establish the amendment's effective date or its applicability to invoices received at different times.
12\. OPERATIONAL IMPLICATION
POTENTIAL: Review invoice due-date calculations, payment tracking, and related internal records to determine whether the payment period needs to be updated.
Basis: The contractual payment period changes by 15 calendar days. The supplied documents do not expressly prescribe any internal system or procedure changes.
13\. EVIDENCE AND TRACEABILITY
| Finding | Supporting source |
| ------------------------------------------------- | -------------------------------------------------------------------- |
| Original payment obligation and period | Original Supply Agreement, Section 4.2 |
| Express replacement of the payment period | Amendment No. 1, Section 1 |
| Statement that remaining provisions are unchanged | Amendment No. 1, Section 2 |
| General amendment condition | Original Supply Agreement, Section 8.1 |
| Agreement effective date | Original Supply Agreement, introductory description: January 1, 2026 |
| Amendment date | Amendment No. 1, introductory description: February 1, 2026 |
Precise page numbers and execution details are not supplied.
14\. UNCERTAINTY FLAG
- Potential impact
- Insufficient evidence
- Unresolved
- Requires human legal review
Reasons: The supplied amendment text does not state its effective date or show whether both parties executed it. Original Section 8.1 states that provisions remain unchanged unless expressly amended in writing by both parties. The available material does not establish whether that condition has been satisfied.
15\. HUMAN REVIEW NEEDED
Yes.
Verify the amendment's execution status and applicable effective date before deciding which invoices or payment events fall under the amended 45-day period. This mapping does not determine enforceability or final legal effect.
## 3. Overall review summary
### A. Review status
Complete within the supplied evidence, for identifying and mapping the explicit textual amendment.
This status does not mean that the amendment's legal effectiveness or applicability has been verified.
### B. Source inventory
| Document | Information available | Review status |
| ----------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------- | -------------------------------- |
| Fictional Supply Agreement between Northstar Components Ltd. and Cedar Retail Group | Effective date, Section 4.2, Section 8.1, and statement that supplied text is complete for this demonstration | Available |
| Amendment No. 1 | Date, Section 1 replacement instruction, and Section 2 remaining-terms statement | Available |
| Optional contract materials | Not provided | No additional materials reviewed |
### C. Key unresolved issues
1. Amendment execution: The supplied text does not establish whether both parties executed Amendment No. 1, as contemplated by Section 8.1.
2. Effective date and applicability: February 1, 2026, is identified as the amendment's date, but the text does not explicitly establish when the 45-day period becomes applicable.
3. Invoice-specific treatment: No invoice receipt dates or other invoice-level details are provided to calculate individual due dates or establish which invoices are affected.
No conflicting contractual wording has been identified in the supplied excerpts. The unresolved issues above concern missing execution, applicability, and invoice-specific information rather than a demonstrated textual conflict.
### D. Operational follow-up
Potential recommendations, not established contractual requirements: Verify amendment execution and effective-date applicability; then assess whether invoice administration records and due-date calculations need to be updated. Apply the 45-day period to specific invoices only once the relevant applicability determination is supported.
## 4. Final validation
The review identifies one material change and preserves the original wording, amendment instruction, contractual link, timing impact, evidence references, and unresolved questions. No separate contractual right, fixed revised calendar date, or definitive legal conclusion has been inferred beyond the supplied evidence.
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GPT-5.6
Compare a signed agreement with its amendment. Identify material changes, map them to original provisions, and trace potential effects on obligations, rights, dates, and operations. The structured Amendment Impact Map preserves source references and flags ambiguity, conflicts, missing evidence, and issues requiring human legal review. Designed for contract administration; it does not determine final legal effect or enforceability.
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Updated 1 week ago
