The most common and most likely answer to this crossword clue is the 8 letter word DEMANDED
I've seen this crossword clue in The Daily Telegraph
D
E
M
A
N
D
E
D
More clues leading to the result DEMANDED
Buddy explains!

The straight part
We know that "Called for" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case called for = demanded.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.
What does DEMANDED mean?
DEMANDED verb- To request forcefully.
- To claim a right to something.
- To ask forcefully for information.
- To require of someone.
- To issue a summons to court.