When do my billable hours start on a job? 11 December 2019 19:02 Updated As soon as you arrive at the task location. The task (or job) will finish once the work is complete and you leave. Related articles How do I book a task? Are there any registration fees involved in joining HeyBryan? What if I show up to find I cannot complete the task? Do I need to include GST/HST on my invoices to clients? Can I become an expert without trade certification?