www.dq.im/news/the-life-of-a-trust-part-three-changing-trustees
See also:
www.kramerlevin.com/en/perspectives-search/did-you-choose-the-right-trustee.html
www.holdingredlich.com/what-is-a-former-trustee-s-obligation-to-provide-trust-documents-to-an-incoming-trustee