EVERYTHING ABOUT 2017 LOAN

I have read the IRS publications, but all I can find is the fact pre-1987 debt is grandfathered. Could anyone stage me to something "Formal" within the IRS which confirms that I can fully deduct curiosity on my 2019 refi?For a home loan fee shopper, there are already handful of greater moments to lock in the level. Costs remain low, but that may mo