Ultimately the Australian Synod decided to retain its legal and moral connection with the Established Church despite the acceptance of what was considered improper State interference by that body, contrary to the Confession of Faith.
There was also concern that toleration of a view point found among United Presbyterians could lead to the secular ideal of the state, which indeed developed in the 20th century.
The PCEA grew to 12 ministers within a few years of 1864, despite the death of early leaders, but suffered a serious schism in 1884 over the training of students.
There was a painful dispute in the 1970s which led to a minister who made exaggerated claims for the King James Version of the Bible being removed in 1979.
Of recent times the church has been stable with increasing diversity of ethnic origins represented in its membership and ministerial ranks.
This is the maintenance of the older pre-1870 approach to public worship among Presbyterians in which the 150 psalms of the Word of God in metrical form were exclusively used, and without instrumental accompaniment.
The actions of the Free Church of Scotland in November 2010 in relaxing its stance on a capella psalmody have no bearing on the practice of the PCEA.
At the same date there were 11 ministers in pastoral charges and another seconded to provide leadership for Australian Indigenous Ministries (formerly Aboriginal Inland Mission).
The main centres are: Rowland S. Ward, The Presbyterian Church of Eastern Australia 1846-2013 (New Melbourne Press, 2014) ISBN 978-09806757-4-0