Solomon signed the contract together with Gillian Sally Barnes, delegate of the Minister for Regional Development, Territories and Local Government, on behalf of the Commonwealth of Australia.
The signing of the 99-year lease is the first key milestone of the project formalising ownership of Block 17 Section 67 in Deakin, Canberra.
A statement said the construction of the chancery must commence within 18 months from the lease commencement date and completed within three years.
