The most common and most likely answer to this crossword clue is the 7 letter word PAYABLE
I've seen this crossword clue in The Times
P
A
Y
A
B
L
E
More clues leading to the result PAYABLE
Buddy explains!
The straight part
We know that "due now" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case due now = payable.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 PAYABLE mean?
PAYABLE noun- (in the plural) Debts owed by a business; liabilities.
- (sometimes postpositive) A thing that may be paid.
- Due to be paid.
- Able to be paid.
- Of a mine etc.: capable of yielding profit; profitable.