And no trustee whose duty it is to buy or to obtain a mortgage or lease of particular property for the beneficiary may buy it, or any part thereof, for himself.

Co-trustees may not lend to one of themselves Co-trustees may not lend to one of themselves.-A trustee or co-trustees whose duty it is to invest trust-money on mortgage or personal security must not invest it on a mortgage by, or on the personal security of, himself or one of his co-trustees.