§ (a) The Bishop receiving a Report under this Act shall cause the same, or a copy thereof, to be transmitted to the Ecclesiastical Commissioners who shall if the Commissioners or a majority of the Commissioners making the Report shall recommend a union, and if the Bishop of the diocese or the Bishops of the dioceses affected shall signify in writing his or their approval of the Report, but not otherwise, cause to be prepared a scheme based upon the terms recommended for effecting the proposed union, which scheme may, with the assent of the Bishop of the diocese or the Bishops of the dioceses affected, embody any modification of the proposals.