Booking.com 2026: New Host Panel and Mandatory CWTON Number

Booking.com 2026: New Host Panel and Mandatory CWTON Number

In March 2026 Booking.com rolled out a fully redesigned Extranet and now forces hosts to enter the CWTON number in the Property ID field. No number after 20 May 2026 means automatic suspension of listings in Polish cities. See where to enter the number and what changed in the host panel.

Booking Holdings B.V. deployed an updated Extranet in March 2026 in line with EU Regulation 2024/1028. The new host panel introduces a mandatory "EU Registration Number" field in the Property Details section, automatic CWTON validation through the Polish Ministry of Sport and Tourism API, and new dashboard warnings for properties without a valid registration.

What Exactly Changed in Booking Extranet in 2026

The most important changes for Polish hosts:

• Property Details, Registration section: new "Polish CWTON Number" field with live validation
• Host dashboard: red warning banner for properties without CWTON
• Calendar: new bookings blocked from 20 May 2026 if the CWTON number is missing
• Genius Program: loss of Genius status for missing CWTON 30 days after the deadline
• Search Visibility: visibility cut by 90% if the number is invalid
• Guest-facing listing: CWTON number shown automatically on the property card under the name

Booking is the first major OTA to deploy full STR registration validation across the EU. Airbnb will follow in April 2026.

Step by Step: How to Add the CWTON Number on Booking

The procedure takes 5 to 10 minutes if you already have the CWTON number.

Step 1: log in to Extranet

Go to admin.booking.com and log in. If you have several properties, select the one you want to register (each property needs its own CWTON number).

Step 2: go to Property, Property Details

In the left menu click Property, then Property Details. Scroll to the bottom of the page to the "Registration" section. If the section does not appear, check that the property language is set to "Polish" or that the location is set to Poland.

Step 3: select "Poland CWTON" from the list

In the "Type of registration" field choose "Poland CWTON" (Centralny Wykaz Turystycznych Obiektow Noclegowych). The list also contains other Polish records (Krakow REGUNV, Sopot RES) for properties without CWTON.

Step 4: enter the number and confirm

Enter the full CWTON number in the format PL-XX-NNNNNN, where XX is the voivodeship code (e.g. MA for Malopolska, MZ for Mazovia) and NNNNNN is the serial number. Click "Validate". Booking will query the CWTON API and confirm the number in 2 to 5 seconds.

Step 5: save

After successful validation click "Save". The number will appear on your property card within 24h. The red dashboard banner disappears automatically.

Table: Validation Fields in the New Booking Extranet

Field	Format	Validation	Effect of error
CWTON Number	PL-XX-NNNNNN	Real-time API	Listing blocked
Property Type	Apartment, Hotel, B&B	Closed list	No bookings
Max Guests	1 to 50	Aligned with CWTON	Warning
VAT Number	PLNNNNNNNNNN	EU VIES	No invoicing
License Issued	YYYY-MM-DD	After 20.05.2026	Historical warning

What Happens if You Do Not Enter CWTON by 20 May 2026

Booking published its official sanction calendar on 8 January 2026:

• 20 May 2026: end of transition period, EU deadline
• 21 May 2026: red dashboard banner and warning email
• 27 May 2026: search visibility cut by 50%
• 3 June 2026: visibility cut by 90%, listing only visible to returning guests
• 10 June 2026: full removal from search results, existing reservations remain
• 1 July 2026: new bookings suspended
• 1 August 2026: permanent listing deactivation and loss of review history

After deactivation, recovering Genius status takes 6 to 12 months even after the CWTON number is added.

Genius Program and the CWTON Number: What You Need to Know

Genius status (Level 1, 2, 3) is tied to the "Listing Quality Score". Missing CWTON cuts this score by 30 points, which for most properties means falling from Level 2 to no Genius. Returning to Genius requires:

• Adding the CWTON number
• Maintaining ratings above 8.0 for at least 60 days after adding
• At least 10 new confirmed bookings after adding the number
• Zero host-side cancellations for 60 days

That is why we recommend adding the CWTON number immediately upon receipt, without waiting for the deadline.

Mobile Booking Pulse: CWTON Number in the Host App

In the Booking Pulse app (iOS and Android, version 30.0+) February 2026 introduced a CWTON status view on the home screen. A red icon means missing number, orange means invalid format, green means positive validation. The app lets you enter the number directly from the phone, useful for hosts without laptop access.

Booking for Property Managers (Channel Manager)

Hosts using Channel Managers (Smoobu, Beds24, Hostaway, Lodgify) are treated by Booking the same as individuals. The CWTON number must be entered both in the Channel Manager and directly in Booking Extranet. Sync is one-way (CM to Booking), so a change in the Channel Manager will reach Booking on the next sync (usually every 15 minutes). Reverse sync (Booking to CM) requires manual update in some systems.

Selling via Booking as a Polish LLC (Sp. z o.o.)

An sp. z o.o. renting via Booking must enter the company NIP and REGON in "Company Details" and the CWTON number in "Registration". KRS is not required by Booking but can be added as supplementary information.

Booking and the Local Tourist Tax

From January 2026 Booking automatically collects local tourist tax in 12 Polish cities (Warsaw, Krakow, Wroclaw, Gdansk, Poznan, Sopot, Zakopane, Krynica-Zdroj, Kolobrzeg, Karpacz, Swinoujscie, Ustka). The amount is charged to the guest separately on the invoice and forwarded to the host. The host is responsible for remitting it to the municipality.

Frequently Asked Questions

I have the old Booking panel. Where do I find the Registration section?

Booking is migrating all hosts to the new Extranet between March and May 2026. If you still see the old interface, the migration has not yet reached your account. In language settings you can force the new interface using the "Try the new Extranet" button in the top right corner.

How do I enter the CWTON number for a property with 5 sleeping units?

Each unit (apartment, room) needs its own CWTON number. In Booking you configure this through "Property, Multi-Unit Listing", where each unit has its own profile and its own CWTON Number field. CWTON API validation checks each number separately.

Booking rejects my CWTON number. What do I do?

Most common causes: invalid format (missing dashes, lowercase letters), number not yet active in the CWTON database (waiting for approval), address mismatch between Booking and CWTON. Check that the address is identical in both systems (postcode, building number, flat number). After correction click "Re-validate" in Extranet.

Can the guest see my CWTON number?

Yes, from 20 May 2026 the CWTON number is shown on the property card under the name, in the listing footer and on the booking confirmation. This requirement comes directly from Article 5 of EU Regulation 2024/1028 and applies to all platforms.

What about Booking Plus, is the duty the same?

Booking Plus (premium programme) has the same CWTON duty. Actually stricter, because Booking Plus also requires a "Verified Quality Badge", which will be revoked automatically without a CWTON number from 20 May 2026.

Can I hide the CWTON number from guests?

No. The requirement to display the registration number to guests comes directly from Article 5 of Regulation 2024/1028 and is not subject to any modification by Booking or the host. Trying to hide it (e.g. by setting property type to "Other") leads to immediate listing deactivation.

To register your CWTON number in the right format and add it to Booking and Airbnb without errors, use the Standard Package HostReady. You get step-by-step instructions for entering the number on both platforms, a validation checklist and support with CWTON API errors.