Ducey has also asked State Attorney General Mark Brnovich to investigate Hacienda for potential violations of the Adult Protective Services Act or civil rights laws.
According to the outlet, the memo also said that in the wake of the incident, they were forced to make a "complex set of changes to virtually every aspect of how Hacienda does business, following directives from multiple state agencies".
Among the improvements at the facility are "enhanced security", new security cameras and officers, and retraining for staff members on abuse and neglect protocols.
Spokesperson Patrick Ptak says state agencies received a written confirmation from Hacienda, just before 4:00 p.m.
Under the agreement, Hacienda will have to devise a long-term plan and timeline that prioritises health and safety at the intermediate care facility where the victim resided.
Arizona state senators from left; Victoria Steele, Tyler Pace, Tony Navarette, Kate Brophy-McGee, Heather Carter, Rick Gray, Sylvia Allen, and Rebecca Rios meet in committee to discuss health care oversight at the Capitol in Phoenix, on Feb 6, 2019.
Earlier this week, the former Hacienda HealthCare nurse accused of sexual assault in the case pleaded not guilty in a Maricopa County court. The provider would have to comply with an order to hire a long-term third-party management team.
Meeting a Friday afternoon deadline, Hacienda agreed to give the Arizona Department of Health Services licensing authority over the Intermediate Care Facility for the Intellectually Disabled unit. There are 36 patients who will be relocated to other facilities.More news: Robert Whittaker & Kelvin Gastelum's UFC 234 Staredown
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State regulators vehemently opposed the idea.
The Arizona Department of Economic Security said in a statement that it encourages Hacienda to "work with the State to find a path forward", local media reported. He provided care to the unnamed woman around the time she became pregnant, police said.
The woman ultimately gave birth to a baby boy, who police say is doing well and is being cared for by her family members.
Arizona officials had ordered Hacienda to work with a third-party manager to oversee day-to-day operations, but the facility said it couldn't afford the anticipated half-million dollar cost.
Hacienda HealthCare officials announced in a statement on Thursday that the intermediate care unit in their Phoenix facility would be shutting down after a February 1 vote from their board of directors.
Though many were pleased with the decision to close the immediate care facility on Thursday, others were not as thrilled.
Hacienda officials said they couldn't continue running the facility, which serves children and young adults with intellectual disabilities.State officials criticized the decision to close, arguing it wasn't in the best interest of the 37 remaining patients.