Answer:
the union should be uppermost and to the flag's own right, that is, to the observer's left.
Step-by-step explanation:
When displayed either horizontally or vertically against a wall, the union should be uppermost and to the flag's own right, that is, to the observer's left. When displayed in a window it should be displayed in the same way, that is with the union or blue field to the left of the observer in the street.