The hardest engineering problem at Plextell is not search. It is that rental law is local and our users are not.
A guest moving from Seoul to Barcelona for five months meets two rental systems that agree on almost nothing: what a deposit may be, how much notice ends a tenancy, whether the stay must be registered, and what the landlord must hand over on day one.
The naive answer is one global template with a clause saying local law applies. That is not a lease; it is a disclaimer. So the rules live in the product instead.
1.Rules resolve from the property, not the user
Every listing carries a location, and the location resolves to a jurisdiction: a set of encoded rules covering agreement type, deposit limits, notice, minimum and maximum stay, and any registration duty. A guest’s nationality does not change which rules apply — the home’s address does.
Property location
City, region, and country on the listing.
Jurisdiction rules
The encoded tenancy rules for that place.
The lease and the limits
The agreement generated, and what the flow will let either side do.
2.What that changes in the booking flow
Dates are constrained where the law constrains them
A city with a minimum or maximum furnished-tenancy length gets that enforced in the date picker, not flagged after a guest has paid.
Deposits cannot exceed the local cap
Hosts set a deposit within what the jurisdiction allows, and the field will not accept more.
Notice follows the local requirement
Where a rental code sets a notice period for ending a tenancy, that period is what the lease says — our standard structure gives way to it.
3.Why the default permits nothing
When a location does not resolve to a jurisdiction we have encoded, the platform does not fall back to a permissive default. It permits nothing: no lease is generated and the listing cannot take bookings. A blocked booking is an inconvenience. An unenforceable lease in a country a guest has just moved to is not.
This is also why we do not launch everywhere at once
Each new market is a body of law someone has to read and encode. It is the constraint on our growth, and we would rather be constrained by that than by anything else.
Nothing here is legal advice, and the terms shown on an individual booking always control.
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