No 13623, Monday 01 Aug 2022, Arden

Solution to 15D has been deliberately left unsolved and is to be answered only by a non-regular / novice commenter, with proper annotation. Those who have answered earlier in the week, please give others a chance.

ACROSS

1   Doctor, a practising one, will be able to diagnose this (6,8) ANGINA PECTORIS* Semi&lit

10 Mountain accommodation, one beside a lake (5) AERIE {A}{ERIE}

11 Trade partner allows universal entry, middlemen will transport (9) ENRAPTURE {ENRAPT{U}R*}{mEn}

12 Appropriate to jump in, the place needs to be cleaned up (7) FLEAPIT {F{LEAP}IT}

13 He broadcast "Sweetheart has left" (7) TWEETER sWEEThEaRT* 

14 Divine power banks on commandment (5) EDICT [DD] (Addendum - prEDICT - See comments)

16 Attack over instrument (9) BOMBARDON {BOMBARD}{ON}

19 "Containers sort of square inside" — old Bob shows acumen (9) CANNINESS {CAN{NINE}S}{S}

20 "Tales from Navy" caught in state review (5) YARNS {YA{RN}S<=}

22 Indian taxmen keep some in compounds (7) ISOMERS {I{SOME}RS}

25 Drink — we drink provided there is fish (3-4) ALE-WIFE {ALE}{W{IF}E}

27 Love it for consuming universal appetiser (5,4) PETIT FOUR {PET}{IT}{FO{U}R}

28 String that evenly, get high (5) TIGHT {sTrInG+tHaT}

29 Faulty ethernet, delay showing movie (5,3,6) ENTER THE DRAGON {ETHERNET*}{DRAG ON}

DOWN

2   European lost? Regain now (9) NORWEGIAN*

3   Freeze when you hear I drink (3,2) ICE UP (~I sup)

4   Maintain on board but could be avoided (9) AVERTABLE {AVER}{TABLE}

5   Flyer's remorse for taking off right away (5) EGRET rEGRET

6   It's pointed question about time in an Irish county (9) TIPPERARY {TIP}{P{ERA}RY}

7   Harass a labourer about to leave (5) ROUST ROUSTer About/ER? (Addendum - ROUSTabout - See comments)

8   It's an offence to cross the river to administer oath (5,2) SWEAR IN {S{WEAR}IN}

9   Regularly filled under service — it's a draw (6) RAFFLE {FiLlEd}<=>{RAF}

15 One who checks internal border gets a term (9) T?I?E?T?R (Addendum - TRIMESTER {T{RIM}ESTER} - See comments))

17 Killed and raced away after service (9) MASSACRED {RACED*}<=>{MASS}

18 Straying TV channel coverage, showing only heroic deeds (7-2) DERRING-DO {D{ERRING}D}{O}

19 Constant overlap will do some damage (7) CRIPPLE {C}{RIPPLE}

21 Holder has the variety (6) SHEATH*

23 Not even once treat this as a composition (5) OCTET {OnCe+TrEaT}

24 Empty stomach will allow plenty of indolence (5) SLOTH {Sto{LOT}macH}

26 Additional participation in the next race (5) EXTRA [T]

Reference List

Universal = U, Navy = RN(Royal Navy), Right = R, Service = RAF(Royal Air Force), Constant = C