Issue history OTH- Early Works & Pre-commencement due diligence surveys. 2019/04/25C Issue Details Issue History Related Decisions 01/02/2019 - Published in plan, The Register of Key Decisions February 2019 to May 201904/06/2019 - Call-in period expired: OTH- Early Works & Pre-commencement due diligence surveys. 2019/04/25C