The phrase "when not occupied" is correct and usable in written English.
It can be used to indicate a specific time or situation in which something is not being used or taken up. Example: "Guests are free to use the communal kitchen, but please clean up after yourselves when not occupied." This sentence means that guests should clean up the kitchen after they finish using it, rather than leaving it dirty for the next person to use.
When not occupied by antegrade or retrograde bolus transport, the UES remains closed.
Task 5: Staff the help desk in clinic waiting areas when not occupied with tasks 1-4.
Theroux can tell a story when not occupied with his narrator's need to enumerate old hurts and settle old scores.
When not occupied with "Tonight" they often performed studio work backing up top artists like Frank Sinatra and Ella Fitzgerald.
Mr. Lang, unlike some designers, is candid about Ms. Ward's contribution to his collections, which she now works on exclusively when not occupied as a fashion editor at Harper's Bazaar.
The New Yorker, January 24 , 1948P. 18 Incidental Intelligence: There's a notice in the barbershop of the Naval Air Station at Floyd Bennet Field: "This chair reserved for officers except when not occupied".
Faldstool, a folding stool used by a Roman Catholic bishop when not occupying his throne in his own cathedral church, or when he is officiating outside his own church.
The N-terminal region of PKCα containing the pseudosubstrate region is known to bind anionic membranes (Δ G = −7 kcal/mol) and is likely to be membrane-bound when not occupying the kinase active site; thus, the possibility this region contributed significantly to the frictional drag was investigated in two ways.
At a time when your mom is not occupied( when she isn't busy), ask her.
Three intervention classes are considered: prospective (when the area is not occupied), corrective (when the area is occupied), and prescriptive (regarding the suggested requirements to reduce or avoid the hazard and risk increasing).
When I'm not occupied, I'm bored.
