Final answer:
In the MDS and RUG process, the ARD date cannot be reset to an earlier date.
Step-by-step explanation:
The correct statement that is not true regarding the MDS and RUG process is: 3) The ARD date can be reset to an earlier date. In the Minimum Data Set (MDS) and Resource Utilization Group (RUG) process, the Assessment Reference Date (ARD) is a fixed date that cannot be reset to an earlier date. It is the date on which the assessment is conducted to determine the resident's RUG level and subsequently their reimbursement for a prospective period of time.