The date the legal term of the lease officially begins.
The commencement date is the anchor for calculating the expiration date, renewal deadlines, and every date-dependent obligation in the lease. If the commencement date is contingent on landlord delivery and gets delayed, it can cascade into delayed rent commencement, shortened free rent periods, and disrupted business opening timelines. Missing this date during abstraction undermines the entire critical date calendar.
Defined in the "Term" section of the lease, usually within the first 5 pages. If contingent on delivery, look for a "Commencement Date Confirmation Letter" exhibit that memorializes the actual date after the conditions are met.
Lextract uses vision AI to read your lease PDF natively (scanned or digital), then multi-pass AI validation identifies and extracts the commencement date. The AI searches for all pages of the document, then assigns a confidence score based on document quality and extraction certainty. Fields with lower confidence are flagged for human review.
The commencement date can be a fixed calendar date, or it can be triggered by an event like the landlord delivering the premises in "tenant-ready" condition. Some leases tie it to the earlier of the tenant opening for business or a specified date.
It is a document signed by both parties after the actual commencement date is determined, memorializing the official start date, rent commencement date, and expiration date. It is especially important when the commencement date was contingent on construction completion.
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