31. Use your council's complaints procedure 17 32. Use your council's complaints procedure 1717 33. For how long is a work permit valid ? 3 17 34. For how long is a work permit valid ? 3 17, 17 35. For how long is a work permit valid ? 3 1717 36. - are aged 16 or 17 , in some circumstances . 37. - are aged 16 or 17 , in some circumstances .17 , साल है 38. 17 . A range of improvements have been introduced in recent years .39. 17 . A range of improvements have been introduced in recent years .17 . पिछले कुछ वर्षों में अनेक सुधार शुरु किये गए हैं , 40. - are aged 16 or 17 , in some circumstances .
