Across:
1 Retired general practitioner (OUT OF PRACTICE) hasn’t kept his hand in (OUT OF PRACTICE),
10 Relative (UNCLE-) finds article (-AN) (UNCLEAN) is tainted (UNCLEAN),
11 Opens National Union’s archive (opens ‘national union’s archive’ = -NUA-) in storage (VA-T-) for university (-U) (VANUATU) in the Pacific Islands (VANUATU),
12 Old (O-) section (-BIT) (OBIT) in the paper relates to the time of one’s life of late (OBIT),
13 Englishwoman dismisses moaning (‘Englishwoman’ dismisses ‘moaning’ = elshw = WELSH) from family living in Cardiff (WELSH),
15 Beyond a doubt, what’s inside (‘Beyond a doubt’ what’s inside = DADO) is the work of the carpenter (carpenter makes DADO rail),
17 Discover Montenegro extravagance (discover ‘Montenegro extravagance’ = ROE) is fish eggs (ROE),
19 Put down (PENNED) from writer (PEN-) to new (-N-) writer (-ED) (PENNED),
21 Disreputable debonair (RAKISH) artist (RA-) at The Lighthouse, Dublin (-KISH lighthouse, Dublin) (RAKISH),
22 Stole (TOOK) target? (AIM) (TOOK AIM) The sniper did it! (TOOK AIM),
23 Model (= anagram indicator) not coy (not coy = TYCOON) with fat cat (TYCOON),
25 Keeping an eye on Finance for Department of Education (BURSAR), brother (B-R) rings major stars (Ursa Major constellation of stars = -URSA-) (BURSAR),
27 Rob (rob/assault = MUG) provides a local view in Features (‘local’ view in features/face = MUG),
29 Short investigation (short examination = EXAM) by the bank’s expansion team (banks ‘expansion team’ = EXAM),
30 Has reservations (HOTEL) as no coca in chocolate (no ‘coca’ in ‘chocolate’ = holte = HOTEL),
31 Covers (CAPS) time away from campsite (‘time’ away from ‘campsite’ = caps = CAPS),
34 Backs (= reversal indicator) a (-A) ploy (ruse = -ESUR-) by a (-A-) college (C-) (CAESURA) at the poetry reading break (CAESURA is a break in poetry),
35 REM isn’t in the mainstream (‘REM’ isn’t in the ‘mainstream’ = mainsta = STAMINA) and that sustains you if you’ve been playing for a long time (STAMINA),
36 Doesn’t take long to switch off (OUT LIKE A LIGHT) and is fast asleep (OUT LIKE A LIGHT).
Down:
2 Loses head (f) with meeting (‘function’ without ‘f’ = UNCTION) in the church – it can be extreme for those who are late (‘extreme unction’ anointing the sick/dying = UNCTION),
3 Remove new cover (‘remove new’ cover = OVEN) from part of the kitchen (OVEN),
4 Think about (PONDER) corrupt (= anagram indicator) doper (doper = PO-DER) hanging around back of peloton (back of ‘peloton’ = -N-) (PONDER),
5 Offer suggestions (ADVISE) to Davis (Davis = ADVIS-) negotiating (= anagram indicator) with European leader (‘European’ leader = -E) (ADVISE),
6 Ends first case in court (ends/last letters of ‘first case in court’ = TENT) that was well pitched presumably (TENT),
7 Penny (P-) is in Ithaca (Ithaca = CHA-ATI) baking (= anagram indicator) (CHAPATI) Indian flatbreads (CHAPATI),
8 One is sick of it (OUT OF PATIENCE) as it sounds like (= homophone indicator) medic has no medical charges perhaps (medic has no medical ‘charges’{no pupils/protégés} = “out of patients” = “OUT OF PATIENCE”),
9 Safe (OUT OF HARM’S WAY) is not at risk (OUT OF HARM’S WAY),
14 Beware (LOOKOUT) of the style (the LOOK-) on all sides today (-OUT on four sides of today’s crossword) (LOOKOUT),
16 Get clean (DETOX) Teddy (Ted = DET-) back (= reversal indicator) from Oscar (-O-) Ray (-X ray) (DETOX),
18 Complete range (GAMUT) for golf (G-) has a (-A-) shortened button (e) on remote control (mute button) (‘mute’ without ‘e’ = -MUT) (GAMUT),
20 Gangster (DON) and doorman missing Roma (‘doorman’ missing ‘Roma’ = don = DON),
21 Henri Bergson’s piece (“Henri Bergson’s” piece = RIB) made the First Lady (Eve) what she was (RIB),
24 Could start (‘could’ start = A-) to loathe (-HATE-) a (-A-) classy (-U) (CHATEAU) nice source of wine (Nice, French wine from CHATEAU),
26 It’s useful for communicating with (SPANISH) ships (ships = SP-ISH) travelling (= anagram indicator) around a (-A-) point (compass point north = -N-) (SPANISH),
27 Clear the decks (mop) briefly (p) (‘mop’ without ‘p’ = MO-) for bird (-HAWK) (MOHAWK) with hair-raising style (MOHAWK),
28 Japanese hostess (GEISHA) in Newbridge is hardworking (in ‘Newbridge is hardworking’ = GEISHA),
32 Carefully remove Freya (‘carefully’ remove/ without ‘Freya’ = cull = CULL) to reduce numbers (CULL),
33 No Metro in Baltimore (no ‘Metro’ in ‘Baltimore’ = bali = BALI) or on Indonesian island (BALI).