The inquiry into abuse in care has extended the scope of what it called its Anglican investigation to include other Protestant churches.
The Royal Commission says it will now include the Methodist and Presbyterian churches, the Salvation Army and three closed community faiths, Gloriavale, Plymouth Brethren and Jehovah's Witness.
The investigation will now be known as the Protestant and other faiths investigation.
The commission has held already held hearings that focused on the Catholic Church, and also some cases of abuse in the Anglican Church and Salvation Army.
Presbyterian Church moderator Hamish Galloway spoke to Susie Ferguson.