It shall be lawful to the Treasury, and they are hereby authorized and empowered, by warrant from time to time, to regulate all or any of the duties of the offices of King’s remembrancer in Scotland, lord treasurer’s remembrancer in Scotland, auditor of Exchequer in Scotland, and receiver general of Scotland, and to consolidate, transfer, or regulate the duties of the said offices, and also to direct the exercise and performance of all or any of the powers and duties herein-before enumerated as heretofore exercised and performed by the said barons of Exchequer in Scotland, in such manner and under such regulations and conditions as the Treasury shall think fit; any Act or Acts of Parliament, or any law, usage, custom, or authority, to the contrary notwithstanding.