missing_prior_day_booking_field_value

The prior_notice_last_day and the prior_notice_last_time values are required for prior day booking_type in booking_rules.txt.

GTFSintegritydeprecatedMobilityData canonical GTFS Schedule validator

Related

• Source: MobilityData canonical GTFS Schedule validator

Citations

[1] missing_prior_day_booking_field_value rule reference

Rule metadata

Code	missing_prior_day_booking_field_value
Standard	GTFS
Source	MobilityData canonical GTFS Schedule validator
Category	integrity
Maturity	deprecated
Tags	mobilitydata, gtfs, integrity, deprecated
Retrieved	2026-06-12
Reference	https://gtfs-validator.mobilitydata.org/rules.html#missing_prior_day_booking_field_value