You can find the Danish laws, among other places, on
http://www.ft.dk (in Danish) or
http://www.retsinfo.dk (also Danish)
Law about yearly money for Princess Alexandra:
- She has a yearly basic sum of 1.526.000 DKR
- The sum is regulated on April 1st, and October 1st, in concurrence with Danish Statistic Index for Government Employees.
- The sum is paid in monthly rates.
- As long as she doesn't marry again, she'll not have to pay tax out of the money.
- When/if she marries, the yearly sum is replaced by a special tribute, with the same basic sum, but have to pay tax.
- As long as Princess Alexandra gets the yearly sum, or the special tribute, she can't get subsidized for working for the government.
(A mangled translation. I'm a bit tired.)