(m)the conditions subject to which children may be placed under the care of any parent, guardian or other [fit person or fit institution] [Substituted for the word "fit person" by the Act 15 of 1978, section 19] under this Act and the obligations of such [person or institution] [Substituted for the word "person" by the Act 15 of 1978, section 19] towards the children so placed;