Flex: missing_prior_notice_duration_min

[emmambd]

Describe the problem

See below

Describe the new validation rule

missing_prior_notice_duration_min as defined in the table here

Sample GTFS datasets

No response

Severity

Error

Additional context

No response

[qcdyx]

Tasks:

• [ ] implement the logics
• [ ] add unit test
• [ ] review documentation
• [ ] review the acceptance tests