The most common and most likely answer to this crossword clue is the 7 letter word EXEMPTS
I've seen this crossword clue in The Guardian
E
X
E
M
P
T
S
More clues leading to the result EXEMPTS
- Excuses from sweetheart — and address for woman taking part
- Grants immunity to plotter, primarily involved in Semtex explosion
- Expenses claims politician tried at first to make excuses
- Former European politican talks emptily, making excuses
- Frees old European politicians – about time!
- Grants immunity to former politician given time in case of egregiousness
- Old, old bottles, in other words lacking spares
- Old flames politician kept on top of tallboy as spares
- Frees from duty old agency workers with time receding
- Excuses may mean the taxman ignores some charges
Buddy explains!

The straight part
We know that "Grants immunity to" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case grants immunity to = exempts.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 EXEMPTS mean?
EXEMPTS noun- One who has been released from something.
- A type of French police officer.
- One of four officers of the Yeomen of the Royal Guard, having the rank of corporal; an exon.
- To grant (someone) freedom or immunity from.