ACROSS
1 Approve pub bar’s term for concoction (6-5)
RUBBER-STAMP – anagram* of PUB BARS TERM
7 Patient man‘s situation? (3)
JOB – double definition (job = situation as in situations vacant)
9 Person pushing in to seize Victorian lunchbox (6-3)
TUCKER-BAG – a person who tucks or pushes a letter into an envelope might be called a tucker; to seize is to bag. Victorian here refers to the state in Australia
10 Maiden crossing island brought back hemp, of a sort (5)
SISAL – I in LASS reversed
11 What it’s said 007 has on invasive code? (7)
SPYWARE – sounds like ‘spy wear’
12 Dodgy individual giving ninety the sack (7)
ELUSIVE – EXCLUSIVE minus the XC (ninety in Latin). ‘evasive’ rather than ‘elusive’, I’d have thought, but close enough
13 Made great strides and took charge of fencing work (5)
LOPED – OP in LED
15 Nurse with extra energy, first person determined to get on (9)
CAREERIST – E in CARER IST
17 Plain cash released for Panama, perhaps (4,5)
SHIP CANAL – PLAIN CASH*
19 Here’s something to drink, after knocking back dram — cheers (5)
PINTA – NIP reversed TA
20 A fine romance, full of good humour (7)
AFFABLE – A F FABLE
22 Bloody child behind 80% of lawlessness! (7)
CRIMSON – CRIM[e] SON
24 Wastrel filling barrel dithered around (5)
IDLER – reverse hidden
25 Smallest rabbit ultimately getting most irritation? (9)
TITCHIEST – {rabbi]T ITCHIEST
27 Rope that’s ritually burned? (3)
GUY – every 5 November…
28 One leaves coaches, wild about inventor’s latest conveyance (11)
TRANSFERRAL – TRA[i]NS FERAL around [invento]R
DOWN
1 Aggressive male behaviour Proust regularly exhibited (3)
RUT – every other letter in [p]R[o]U[s]T
2 Havana needs this vehicle reversing on city’s outskirts (5)
BACCY – CAB reversed on outside letters of C[it]Y
3 Eastern male, messenger casting the first stone (7)
EMERALD – E M [h]ERALD
4 Minor cleric‘s case bound to collapse (9)
SUBDEACON – CASE BOUND*
5 View that could be right (5)
ANGLE – quirky extended, geometrical definition
6 Farmland beyond river (7)
PASTURE – PAST (beyond) URE (that of Wensleydale, if I remember correct)
7 Emperor newly arrived in housing area (9)
JUSTINIAN – JUST IN (newly arrived) IN (from clue) containing (housing) A (area)
8 Little urban ground for high-speed transport (6,5)
BULLET TRAIN – LITTLE URBAN*. Fourth anagram
11 Single fleas in contortions forming their own bond (4-7)
SELF-SEALING – SINGLE FLEAS*. Fifth
14 Dad participating wholeheartedly, to one’s embarrassment (9)
PAINFULLY – PA IN FULLY (‘participating wholeheartedly’)
16 During reports, Officer in Command is moved (9)
RELOCATES – OC in RELATES
18 With nothing on Persian maybe grabs some entertainment (7)
CABARET – BARE in CAT (‘Persian maybe’)
19 Please old ambassador in ceremony, quietly taking the lead (7)
PRITHEE – P HE in RITE
21 Spare no established player (5)
EXTRA – DD
23 What’s said to be complete fleece (5)
SHEAR – sounds like ‘sheer’
26 Sesame to cultivate: large leaves (3)
TIL – TIL[l]; another name for sesame
FOI 1dn RUT
LOI 26 dn TIL
COD 22ac CRIMSON
WOD PINTA