---
title: "Extract the option window and the rent-review clause"
url: "https://ailawframework.com/practice/commercial-property-and-leasing/prepare-an-option-exercise-and-rent-review-pack/united-states"
type: "task_jurisdiction_version"
site: "AI Law Framework"
id: "A10-T1-R10-US"
practice_area: "Commercial Property & Leasing"
tier: "red"
lawyer_review: "required"
jurisdictions: ["US"]
last_reviewed: "2026-10-22"
---

# Extract the option window and the rent-review clause

> From the lease, copy the option clause, the last date it states for exercise, the method of service it states, and the rent-review clause with any figure or formula printed in it.…

Canonical page: https://ailawframework.com/practice/commercial-property-and-leasing/prepare-an-option-exercise-and-rent-review-pack/united-states  
Last reviewed: 2026-10-22

Site index for agents: https://ailawframework.com/llms.txt

## Key facts

| Fact | Value |
| --- | --- |
| Practice area | [Commercial Property & Leasing](https://ailawframework.com/practice/commercial-property-and-leasing.md) |
| Human involvement | Red: Lawyer writes; AI may check, clarify or collect data |
| How AI is used | From the lease, copy the option clause, the last date it states for exercise, the method of service it states, and the rent-review clause with any figure or formula printed in it. Write no sentence of the exercise notice. |
| What the lawyer must review | California Civil Code § 1624(a)(3) makes a lease for longer than one year, and a sale of an interest in real property, invalid unless the writing is subscribed by the party to be charged. An agent's authority must itself be in writing subscribed by that party. The lease states the option machinery. You decide whether the window is still open and you write the notice that is served. |
| Written for | United States |
| Applies to | [Prepare an option-exercise and rent-review pack](https://ailawframework.com/practice/commercial-property-and-leasing/prepare-an-option-exercise-and-rent-review-pack.md) |

## Checking plan

- What the AI does: From the lease, copy the option clause, the last date it states for exercise, the method of service it states, and the rent-review clause with any figure or formula printed in it. Write no sentence of the exercise notice.
- Basis: Checked against the linked sources on 22 October 2026. Confirm the current instrument before reliance.

## Notes

- No general federal option statute was opened. Do not invent a grace period or a reasonableness duty.
- Texas Property Code Chapter 93 does not supply an option procedure. Use the lease, then the state property statute.

## Sources

- [California Civil Code § 1624, statute of frauds](https://california.public.law/codes/ca_civ_code_section_1624) (checked 2026-10-22)
- [Texas Property Code Chapter 93, Commercial Tenancies](https://statutes.capitol.texas.gov/Docs/PR/htm/PR.93.htm) (checked 2026-10-22)

## Forms and precedents for this task

| Form or precedent | Kind | AI level | Summary |
| --- | --- | --- | --- |
| [Notice exercising an option to renew a lease, with the exercise-window checklist and NSW option protections](https://ailawframework.com/precedents/commercial-property-and-leasing/notice-exercising-option-to-renew-lease-and-checklist.md) | Notice | Red | A lessee's notice exercising an option to renew, with a checklist for the exercise window, conditions, service and the NSW protections: the lessor's 14-day breach notice under s 133E and the retail… |

Signed-in accounts can read the full text of each one.

*Practice guidance for planning and review. Confirm current primary sources and the requirements of the actual matter. This is general information, not legal advice.*