There is a difference between the stacking provisions and the licensing rules. We have two different types of licences, as you've already reflected, these vessel-based licences versus the party-based. It's essentially how the licences are held or owned. If you have a vessel-based licence, you can stack, but you don't have to stack. Some licences are defined by the vessel and some are defined by the entity. How that evolved—
On January 30th, 2019. See this statement in context.