38 CFR § 17.3101 - Definitions.
Access to essential lavatory and sanitary facilities means having normal use of the standard structural components of those facilities.
Essential lavatory and sanitary facilities means one bathroom equipped with a toilet and a shower or bath, one kitchen, and one laundry facility.
Improvement or structural alteration means a modification to a home or to an existing feature or fixture of a home, including repairs to or replacement of previously improved or altered features or fixtures.
Undergoing medical discharge means that a servicemember has been found unfit for duty due to a medical condition by their Service's Physical Evaluation Board, and a date of medical discharge has been issued.