Across:
8 The end of the line (BURIAL) of British (B-) wild sheep (-URIAL sheep) (BURIAL),
9 Spring (LEAP) 1915 (YEAR) (LEAP YEAR) or 1916, for example, for one of four? (1916 was an example of a LEAP YEAR, which comes around every four years),
10 Moron leaves front room (‘moron’ leaves ‘front room’ = frot = FORT) of castle (FORT),
11 Mouthpieces (voices) have no love (o) (‘voices’ without ‘o’ = VICE S-) for the bikers (-QUADS) (VICE SQUADS) investigating immoral practices (VICE SQUADS),
12 Iranian neighbour (AFGHAN) provides a (A-) party (Fine Gael = -FG-) for Chinese ethnic group (-HAN) (AFGHAN),
14 Draught (AIR-) and wines (-PORTS) (AIRPORTS) for those coming in and out of the country (AIRPORTS),
15 Impoverished (POOR) worker (HAND-) gets script (-WRITING) (POOR HANDWRITING) that’s typical of one of those one of those scribblers in The Theatre (POOR HANDWRITING typical of doctors),
18 Verified (ATTESTED to) new (= anagram indicator) date (date = AT-ED) around one of the exams (-TEST-) (ATTESTED),
20 Some initial (‘some’ initial = S-) rumour (-TA-LE) about leading businessman (leading ‘businessman’ = -B-) (STABLE) in firm (STABLE),
22 A-list choir (a-list choir = HISTORICAL) medley (= anagram indicator) from a former era (HISTORICAL),
24 Bottle of awesome alcohol (bottle of ‘awesome alcohol’ = me al = MEAL) for dinner (MEAL),
25 Daring (FEARLESS) musical talent (-EAR-) behind (= positional indicator) loud music (forte = F-) at takeaway (-LESS) (FEARLESS),
26 Made (EARNED) to read (read = EAR-D) novel (= anagram indicator) about leaders of Northern Europe (leaders of ‘Northern Europe’ = -NE-) (EARNED).
Down:
1 Censor (CUT) describes the bad stuff (OFF) (CUT OFF) from Partition (CUT OFF),
2 Part of the problem in trusting (part of the ‘problem in trusting’ = m in t = MINT) one of those making their own dough (MINT making dough/money),
3 Elvis on a (Elvis on a = SLOVENIA) tour (= anagram indicator) in Europe (SLOVENIA),
4 Revolutionary (= reversal indicator) part of protocol bolstered (part of ‘protocol bolstered’ = col b = BLOC) alliance (BLOC),
5 A skier (a skier = KAISER) travels (= anagram indicator) over old German mountains and other bits of land (KAISER),
6 It’s a preference of mine (MY CUP OF TEA) to take it with biscuits at break time? (MY CUP OF TEA)
7 Surprise (HA-) Institute (Dublin Institute of Technology = -DIT-) in Ulster (NI = -N-I-) with note (-N) (HAND IT IN) to deliver to Lost Property Office (HAND IT IN),
13 They pick on The Greens (HARVESTERS) for those at The Gathering (HARVESTERS),
14 A (A-) theologian (doctor of divinity = -DD-) and writer (-ED) (ADDED) went on to say something more (ADDED),
16 Detour is (detour is = OUTSIDER) crazy (= anagram indicator) out of The Loop (OUTSIDER),
17 Sorted out (RESOLVED) resolution (RESOLVE-) for director (-D) (RESOLVED),
19 Heartless (n) old jailer (‘turnkey’ without ‘n’ = TURKEY) is expected for Christmas (TURKEY),
21 Criminal (= anagram indicator) dealer (dealer = LEADER) for The Don, for example (LEADER),
23 The asking price (COST) for the border’s command post (the borders ‘command post’ = COST),
24 Pens taken off pressman (‘pens’ taken off ‘pressman’ = rsma = MARS) in ruins (MARS).