The most common and most likely answer to this crossword clue is the 7 plus 3 plus 5 letter word DELIVER THE GOODS
I've seen this crossword clue in The Times
D
E
L
I
V
E
R
T
H
E
G
O
O
D
S
More clues leading to the result DELIVER THE GOODS
- Do what’s required, as distributors should
- Carry out what is required? It could be the lorry driver’s job to do this
- Carry out what is required, as haulage firms do?
- Trucker may do this drive — told he goes wrong
- Many a lorry driver will perform up to expectations
- Carry out what is required? It could be the lorry driver's job to do this
- What couriers do to perform up to expectations
Buddy explains!

The straight part
We know that "Do what’s required" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case do what’s required = deliver the goods.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.