Wales will have control over stamp duty, "bringing in money that can be spent on big Welsh priorities like much needed affordable homes".
The prime minister and his deputy said Wales would be given a new ability to borrow, and control over stamp duty revenues, as part of the package of measures giving more responsibility to Cardiff Bay.
It will also have control over stamp duty and landfill tax.
MSPs are also set to gain control over stamp duty and landfill tax.
Control over stamp duty is the one taxation power Welsh ministers really want, partly because it would generate enough income against which the Welsh government could borrow for major schemes such as M4 improvements.
In colloquial terms, will theorists believe that all rights confer control over others' duties to act in particular ways.
It will have control over air passenger duty charged on people flying from Scottish airports.
And Scotland will not be permitted to take control over air passenger duty: Davidson told reporters this morning that she wanted it abolished, but that was rejected by colleagues in Westminster and the Treasury.
The Scottish parliament will be able to set its own income tax rates from April 2016 and is taking control over air passenger duty – a levy the SNP plans to cut by at least 50%.
Some think that the essence of a right is to have choice or control over the corresponding duty etc.
More specifically, a will theorist asserts that the function of a right is to give its holder control over another's duty.
