A fellow Model 3 (soon to be) owner called Harrisburg. In August, they are changing the language to include more Model 3s. If you subtract the cost of the long range battery ($9K) from your purchase price (including destination fee) and it is under $50K, you qualify for the $1750. You have 6 months from date of purchase to apply. The website has not been updated yet, so I'll keep checking and let you know.
This has been confirmed by an second independent source.
This has been confirmed by an second independent source.