The short answer
A co-tenancy clause conditions part of a retail tenant's obligation, usually a rent reduction or a right to terminate, on the shopping center maintaining a stated level of occupancy or keeping specific anchor tenants open. It exists because a smaller tenant's traffic and sales depend heavily on what else is open in the same center, so the clause shares that risk with the landlord instead of leaving the tenant to absorb a drop it did not cause. Almost every co-tenancy dispute comes down to two questions: exactly what condition triggers the clause, and what remedy actually follows once it does. Both answers live entirely in the clause's own language, not in a general industry assumption about how co-tenancy works.
Opening co-tenancy versus ongoing co-tenancy
Co-tenancy provisions usually cover two different moments in the lease. An opening co-tenancy condition applies before the tenant's store opens: it lets the tenant delay its own opening, or opt out of the lease entirely, if the center has not reached a stated occupancy level or a named anchor has not opened by the time the tenant is ready to build out. The tenant negotiated a location next to specific draws, and the opening condition protects the deal it thought it was signing.
An ongoing co-tenancy condition applies after the tenant has already opened and operates for the rest of the term. It gives the tenant a remedy, most often reduced rent, if occupancy or a named anchor's presence later falls below the threshold the lease sets. The two conditions are usually drafted separately, with different thresholds and different remedies, so a lease can satisfy one and fail the other at the same time.
What actually triggers the clause
Most co-tenancy clauses use one of two triggers, or both together. An anchor-specific trigger names particular tenants, often the center's largest draws, and ties the condition to whether those specific tenants remain open. An occupancy-based trigger instead sets a percentage of the center's total leasable area that must be leased and open, without naming any specific tenant, so the condition can fail from several smaller vacancies adding up rather than one anchor leaving.
The definition of open and operating matters as much as the threshold itself. A tenant that has stopped operating but continues paying rent under a dark-store clause, or that closed for renovation, may or may not count toward occupancy depending on how the lease defines the term. A center can look fully leased on a rent roll while several spaces sit dark, which is exactly the gap a well drafted co-tenancy clause is written to catch and a poorly drafted one leaves open to dispute.
What remedies follow a co-tenancy failure
The most common ongoing remedy is a substitute rent: instead of paying full base rent, the tenant pays a reduced fixed rent, percentage rent only, or a defined lesser amount for as long as the co-tenancy condition remains unmet. Some leases add a second tier if the failure continues past a stated period, escalating from reduced rent to a tenant right to terminate the lease on notice if the center has not cured the condition within that window.
A cure in this context usually means restoring occupancy or reopening a comparable replacement, not necessarily bringing back the exact tenant that left. Whether a substitute anchor satisfies the clause depends on how specifically the original clause named the departing tenant versus describing a category, like a grocery anchor or a tenant of a certain size, that a replacement could fill.
Where disputes start, and what to check
Disputes concentrate on definitions rather than math: what counts as leasable area for the occupancy percentage, whether a tenant that is open but operating reduced hours still counts, whether a co-tenancy failure has to be continuous for a stated number of days before it triggers, and whether the reduced rent remedy is retroactive to when the failure began or only prospective from when the tenant gave notice. A landlord managing several co-tenancy clauses across a center benefits from tracking these definitions per lease rather than assuming they match from tenant to tenant, since retail leases in the same center are frequently negotiated years apart with different language.
This is general information about how co-tenancy provisions typically work, not legal advice. Whether a specific vacancy or closure trips a particular clause, what a landlord can offer as a qualifying replacement, and how a reduced rent period should be calculated are questions that turn on the lease's exact language, and where meaningful rent is at stake, they belong with counsel.
Common questions
Does a co-tenancy clause let a tenant stop paying rent entirely?
Rarely on its own. Most co-tenancy remedies reduce rent to a lesser fixed amount or percentage rent only rather than eliminating it, and a right to pay nothing or terminate outright is usually reserved for a failure that continues past a longer stated period without being cured.
Can a landlord cure a co-tenancy failure with any new tenant?
It depends on how the clause defines the trigger. A clause naming a specific anchor by name may require that anchor or an equivalent the lease describes, while a clause based on an occupancy percentage can usually be cured by any tenant that is open and counts toward leasable area under the lease's definition.
Does a co-tenancy clause apply if a tenant closes but keeps paying rent?
Only if the lease's definition of open and operating treats a paying but closed tenant as not counting toward occupancy. Some leases count any tenant under an active lease regardless of whether the doors are open, which is why the exact definition, not just the occupancy number, decides the outcome.
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