Doesn't the TTB say to use the term WHISKEY it must have been in a NEW barrel?
Bottle your "whiskey" after 2 minutes and that seems to be OK, but your barrel is no longer NEW so you can't use it again for whiskey production.
I am glad I am an Australian distiller, as well as being able to use pre-loved barrels of almost any type, we don't need approval for a new product.
I recently decided to make a coffee liqueur, worked out my recipe one day then mixed up and bottled the next. Ran off some new labels with my desktop printer and the bottles were ready for customers.
But it is not all good, we pay about $25 excise tax per 750 mL bottle 40%. By the time it gets to the consumer the excise has pushed the price up by more than $50