1: Succinct commission document (5)
2: Opening event in cruise: Iran art display (7-6)
3: Sibling rivalry's beginning - worry about it (7)
4: Economical at sea, netting white cod, mostly... (3-4)
5: Their game baffled a cloister (9)
6: Stop the drip; its for future use (9)
8: Call initially communicates real yearning (3)
10: Diet, sir! Clergy upset with fat constituents (13)
13: Captures openings (9)
14: Neighbours, say, note each period (4,5)
17: Hole put in curtain by large cat (7)
18: Loss of this animal is no laughing matter. (2, 5)
21: Mink, for one, may fly when theres trouble (3)
22: English philosopher in rasher lot? (5)