This crossword No. 12595 clues and answers were published on Wed 22 Sep 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12595 link.
All Across Clues and Answers:
1-across – Someone chosen to settle a dispute : ARBITRATOR
7-across – Wife : OLDLADY
8-across – Out of condition : UNFIT
10-across – Military bloc : NATO
11-across – Mine host : PUBLICAN
13-across – Feel aggrieved at : RESENT
15-across – False : UNTRUE
17-across – Fizzle out : BLOWOVER
18-across – Native of Glasgow : SCOT
21-across – Audacity : NERVE
22-across – Advance showing : PREVIEW
23-across – Helpless with laughter : INSTITCHES
All Down Clues and Answers:
1-down – Official inspection of company accounts : AUDIT
2-down – Talk indiscreetly : BLAB
3-down – Test : TRYOUT
4-down – Diving apparatus : AQUALUNG
5-down – Person holding a commission in the services : OFFICER
6-down – Tournament in which every contestant plays against every other : ROUNDROBIN
9-down – Hollywood : TINSELTOWN
12-down – Lazy : INDOLENT
14-down – Pouch worn in front of a kilt : SPORRAN
16-down – Posted : DESPOT
19-down – French fries : CHIPS
20-down – Heal : LEAH
This crossword has in total 24 where 12 are across and 12 are down.