Marine Repair operates with highly flexible, project-based working hours, where employees cannot rely on standard schedules due to varying client demands. Odoo 17 offers limited native support for this type of flexibility, especially when accurate payroll and billing depend on validated and tariff-corrected timesheets.

This talk presents how we designed and implemented a custom validation flow for handling overtime, evening, night, and weekend hours in compliance with complex collective labor agreements. Employees report deviations from planned hours directly in their timesheets, which are then reviewed and validated by a time controller.

Validated hours are automatically converted into specific work entry types, each linked to corresponding timesheets and associated sales order lines. This ensures that the correct tariffs are applied both in invoicing and payroll—fully automated, traceable, and CAO-compliant.

Key takeaways: how to handle flexible work scenarios, enforce timesheet validation, and automate payroll and billing accuracy across varying labor tariffs.