The most common and most likely answer to this crossword clue is the 5 plus 4 letter word UNION JACK
I've seen this crossword clue in The Daily Telegraph
U
N
I
O
N
J
A
C
K
More clues leading to the result UNION JACK
- Coming together to raise standard
- Association to raise flag
- Standard wedding card
- A standard upheld by Poles
- Educational establishment about to raise national standard
- University working with means of lifting national standard
- Colour produced by tar after fusion
- Standard workers’ co-operative target ball
- Wedding card that’s standard?
- Group of workers to raise standard
Buddy explains!

The straight part
We know that "standard" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case standard = union jack.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.