missing_prior_notice_last_day

The prior_notice_last_day is required when booking_type=2 (prior day booking) is specified in booking_rules.txt.

ERRORGTFSintegritydraftMobilityData canonical GTFS Schedule validator

Related

• Source: MobilityData canonical GTFS Schedule validator

Citations

[1] missing_prior_notice_last_day rule reference

Rule metadata

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