The proposal would remove restrictions passed last year that ban the prescription of vision devices through telemedicine.
An amendment passed in committee Tuesday prevents short-term rentals from operating year-round.
The letter says the Indiana Finance Authority, Isolux Corsan, and I-69 Development Partners are negotiating to come up with a "Memorandum of Understanding."
The proposal comes after the DNR saw a record number of ATV deaths in 2016.
A state legislator is proposing a bill that would prohibit cities from banning short-term rentals.
The organization passed a resolution Sunday asking Indiana legislators to develop a medical marijuana program.
Several of Indiana's U.S. Representatives are co-sponsoring the legislation.
The American Legion of Indiana could consider backing the proposal this weekend.
Residents will have the opportunity to ask questions about the project Saturday.
The redevelopment commission still has to approve the sale.