Across:
1 Gave away Bill in America (gave away bill/banknote = PASSED THE BUCK) and shifted the blame (PASSED THE BUCK),
10 Parrot (parrot) flying (= anagram indicator) (parrot = A-RPORT) over island (-I-) (AIRPORT) complex synonymous with numerous highflyers (AIRPORT),
11 A (A-) country (-US-) on trial briefly (l) (‘trial’ without ‘l’ = -TRIA) (AUSTRIA) in The EU (AUSTRIA),
12 Bank’s sales drive (Banks ‘SAles driVE’ = SAVE) to put aside money (SAVE),
13 In and around (= reversal indicator) streetwise civilians (in and around ‘streetwise civilians’ = seciv = VICES) with bad habits (VICES),
15 Give the ball away (PASS) on all sides today (PASS is on four sides of today’s grid),
17 Stable employee (stable LAD) with internal email address (internal ‘emaiL ADdress’ = LAD),
19 Upsets (= reversal indicator) everyone (all = -LLA-) in bar (rod = DO-R) (DOLLAR) in foreign capital (foreign capital/money = DOLLAR),
21 Suspect (= anagram indicator) Wayne (Wayne = YAWNE-) Duke (-D) (YAWNED) signalled he’s retiring (YAWNED),
22 Doesn’t know what one is doing (LO-ST) securing type of blood (-B- blood group) in hospital (-ER) (LOBSTER) for crabby relative (LOBSTER),
23 Cured (HEALED) that man (HE-) of drink- (-ALE-) -driving primarily (‘Driving’ primarily = -D) (HEALED),
25 Clean-shaven type (SMOOTH) from one of the flats (SMOOTH),
27 Provençal farmhouse (MAS) in part of pass – a mountain (in part of ‘pasS A Mountain’ = sam) retreat (= reversal indicator) (sam = MAS)
29 The range (OVEN) of some online volunteer (some ‘online volunteer’ = nevo) on reflection (= reversal indicator) (nevo = OVEN),
30 Sees regularly (DATES) in a Ted’s (a Ted’s) clobber (= anagram indicator) (a Ted’s = DATES),
31 Co-star dropped by Sportscast (‘co-star’ dropped by ‘sportscast’ = psst = PSST) is the sort of attention grabber that not everyone will catch (PSST),
34 Short (e) manual (‘guide’ without ‘e’ = GUID-) is popular (-IN-) and grand (-G) (GUIDING) for showing the way (GUIDING),
35 All back (= reverse all indicator) march (March = Mar = -RAM) for initial grant (initial ‘Grant’ = -G-) aid (aid = DIA-) (DIAGRAM) plan (DIAGRAM),
36 Interaction between players (PASSING) for Munster (Munster) lacks direction (direction North = n) (‘Munster’ without ‘n’ = MUSTER) (PASSING MUSTER) – is this being good enough? (PASSING MUSTER).
Down:
2 American (A-) resistance (-R-) to antagonist (-RIVAL) (ARRIVAL) getting off Jumbo (ARRIVAL),
3 Emptied a barrel (emptied a barrel/gun = SHOT) of what’s sold in the bar (SHOT),
4 Narrate (DETAIL) introduction to tale (introduction to ‘Tale’ = -T-) in ideal (ideal) novel (= anagram indicator) (ideal = DE-AIL) (DETAIL),
5 Harvey left heavyhearted (‘Harvey’ left ‘heavyhearted’ = heated = HEATED) and angry (HEATED),
6 Neighbours dismiss region (‘neighbours’ dismiss ‘region’ = hbus = BUSH) in the Australian outback (BUSH),
7 Skip (= anagram indicator) Iran, etc., (Iran etc = CERTAIN) for sure (CERTAIN),
8 Didn’t stop (PASSED THROUGH) for authorisation (PASS-) from writer (-ED) hearing (= homophone indicator) this is undeniable (‘true’ = ‘THROUGH’) (PASSED THROUGH),
9 Handed around (PASSED) article (THE) from magazine (Time magazine = TIME) (PASSED THE TIME) – it’s what characters in Waiting for Godot did! (PASSED THE TIME),
14 Caesar (Caesar) roughly (= anagram indicator) (Caesar = CAR SEA-) heading for Tiber (heading for ‘Tiber’ = -T) (CAR SEAT) protecting one of the Younger generation along the route (CAR SEAT),
16 Incomplete (p) travel aid (‘map’ without ‘p’ = MA-) for the foreign (the = -LES) (MALES) drones (bees/drones = MALES),
18 Key (music key F-) weapons in a campaign (-ARMS) (FARMS) for growing businesses (FARMS),
20 Bar (ROD) staff? (staff/stick = ROD),
21 Necessity to remove insect? (‘necessity’ to remove ‘insect’ = esy = YES) Absolutely! (YES),
24 Superpower (AMERICA) provides key (music key A-) to Crimea (Crimea = -MERICA) trouble (= anagram indicator) (AMERICA),
26 Local case (local ‘case’ = OBSERVE) to watch like a hawk (OBSERVE),
27 Frenchman (Monsieur = M-) finds love in Gaeltacht (‘love’ in Gaeltacht = grá = -ARG-), falling head over heels (= reversal indicator), coming back (= reversal indicator) north (NI = -IN) (MARGIN) of the border (MARGIN),
28 Models (models) in disarray (= anagram indicator) (models = SELDOM) on rare occasions (SELDOM),
32 Feminist has no time (‘feminist’ has no ‘time’ = fins = FINS) for going snorkelling (FINS),
33 Panama’s (Panamas = HATS) forest – a holiday in itself (‘foreST – A Holiday’ in itself = stah) looking back (= reversal indicator) (stah = HATS).