Cryptic crossword No 3,985

Across

1. Snags unusually chic delivery service (7)
2. Open ended conclusion to arrangement (5)
3. Started including married cops (6)
4. Tense argument initially extreme between polar opposites? (7)
5. Hook in early parts of Sun columnist's yobbish article (6)
6. Standard setter circulating aptitude tests for service providers (8)
7. Eight or fewer taking bit of money for new handbag (9)
8. Loves Donald's face shadowing, fitting tan his holiness! (9)
9. Prevent nude haven coming across as arty (5)
10. Getting in the way of intern, nearly bumping about in lobby (12)
11. Breaking and entering inexperienced, almost makes a bang? (7)
12. Form business contacts and get job (7)
13. Greases covering some ID carriers (8)
14. Way of knowing music collection gloomy site developed (12)

Down

1. Wonderfully yield extravagant bottled French wine (8)
2. Notices insult gets in speech (8)
3. Book retracted incorrect State capital (6)
4. Supports second opinions (6)
5. Returning costly boxing during spat (6)
6. Interminably along with a lifting exercise in the morning (2,7)
7. Country beginning to develop supports tea (4)
8. Ripen in food store's display (9)
9. Wandered over, circling topside of unexplored gorge (6)
10. Religious figure's returning if in charge inside centre (8)
11. Government agents drinking beer get into Scotland's alternative? (9)
12. Trouble absorbing wise words (8)
13. Impart knowledge to nearly every individual (5)
14. Caught leaving secret gathering where dozens get baked (4)
15. Creamed nasty feet as precautionary measure (6,3)
16. Bring on certain curated clothes (5)