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California Senate Bill 644 - Impact on Hotel and Short-Term Rental Bookings


Effective July 1, 2024, the California Senate Bill No. 644 (SB 644) introduces new regulations impacting the hotel and short-term rental industry. This documentation outlines the key changes and provides guidelines for compliance, particularly for Partners utilizing our API.

Key Changes

24-Hour Cancellation Policy

Effective Date: July 1, 2024


  • Hotels, third-party booking services, and hosting platforms must allow a reservation for a hotel accommodation or a short-term rental located in California to be canceled without penalty for at least 24 hours after the reservation is confirmed.
  • This policy applies to reservations made 72 hours or more before the time of check-in.
  • The refund(s) issued must be made to the original form of payment within 30 days of the cancellation.


  • All properties within California are subject to this regulation.

California Price Display Change

Effective Date: July 1, 2024


  • Room rates for short-term lodgings in California must include all fees and charges, except government-imposed taxes and fees.
  • For example, hotel resort fees must be included in the room rate shown to travelers.

API Compliance Requirements

To ensure compliance with SB 644, partners must update their systems as follows:

Displaying Pricing and Cancellation Policies

  1. Pricing Display:

    • Room rates must include all mandatory fees and charges, excluding government-imposed taxes and fees.
    • Ensure that your API displays the total room rate inclusive of these charges.
  2. Cancellation Policies:

    • Allow fully-refundable cancellations made within 24 hours of the reservation confirmation.
    • Ensure that your API reflects the 24-hour cancellation policy for all applicable reservations.
    • Refunds must be processed to the original form of payment within 30 days of cancellation.

Liability and Compliance

  • Any liability or claims arising from non-compliance with the above regulations will be solely attributable to the Partner.
  • Partners are responsible for the payment of any associated refunds or penalties due to non-compliance.

Action Required

  • Confirm API Support: Ensure that your API supports displaying pricing and cancellation policies in compliance with SB 644.
  • Update Systems: Make necessary updates to your systems to reflect the new pricing display and cancellation policies.
  • Compliance Confirmation: Confirm that your API will be compliant with the applicable laws by the effective date.

For more detailed information on the legislative changes, please refer to the following legal documents:


The implementation of SB 644 brings significant changes to the hotel and short-term rental industry in California. Partners are required to update their systems to comply with these new regulations. Failure to do so may result in liability and financial penalties.

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