Investors & landlords

OR did someone issue a 2018 099-DIV with 2017 box labels.  

That's a provider screw up...match the subject of any box for boxes 5 and higher.  All 5 is new this year and boxes starting at 6 are one higher in 2018...and let the provider know they screwed up.
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*