Ann: Presentation at the RIU Melbourne Resources Round-Up, page-10

Not so much time, but certainly $ and in a cense progress. I does not have to be drilling, that's a big cost!
Items like air born survey, also a big cost, geochem survey, cheaper! Consultants work on the tenement, anything that is some sort of progress + $ is accepted. Even paying a prospector to have a bit of a wonder has been submitted. The time required to make these expenditure can be wavered in curtain circumstances, like weather, hold up on heritage surveys etc.
pastoral lease owners have to do the same, they must spend on improvement to the property to retain the right to hold on to the leases