If construction is not begun within two years, the developers will lose their $50,000 down payment.

The bequest mandated that the construction begin within two years, and in 1979 a ground breaking ceremony was held.

Construction was to begin within two years and finish within five.

He said field trials of genetically engineered grapevines could begin within three years.

The 1968 Act, however, made all planning permissions subject to a condition that development is begun within five years.

Elixir said it hopes to begin a clinical trial of its first drug within two years.

They have urged a reluctant municipality at least to agree to begin primary treatment of the sewage within nine years.

He said he expected to win city approval to begin the construction within two years.

The agency projects that the decline in the nation's forests will begin within 30 to 80 years.

Virgin hopes to begin commercial space flight within five years.