I am troubled to read of Nedbank trashing heritage material. I thought that one of their advertised areas of custodianship is heritage? Any material that relates to heritage is considered part of the NATIONAL ESTATE and no longer managed at the sole discretion of those who own it, as in the act this becomes custodianship and needs to be managed in terms of the Act. The Act says.. 'Part 1: General Principles National estate 3.