46. Trustee cannot renounce after acceptance

47. Trustee cannot delegate

48. Co-trustees cannot act singly

49. Control of discretionary power

50. Trustee may not charge for services

51. Trustee may not use trust-property for his own profit

52. Trustee for sale or his agent may not buy

53. Trustee may not buy beneficiary’s interest without permission

Trustee for purchase

54. Co-trustees may not lend to one of themselves