Wyo. Stat. § 9-2-1010

appropriations.

     (a)   The department shall:

          (i) Prepare the state budget with the assistance of
an entity for presentation by the governor to the legislature;

          (ii) Prescribe the form, contents and procedure of
and for budget documents with the advice of the chairman of the
joint appropriations committee; and

          (iii) Consult with each entity which will require a
legislative appropriation either directly or indirectly,
excluding the Wyoming department of transportation and the game
and fish department except as provided in W.S. 9-2-1011(d), in
submitting budget estimates or requests for funds, or for
instituting, recording and reporting all financial and budget
transactions of the state.
     (b) At each budget session budgets shall be prepared and
appropriations made for the operation of state government on a
biennial basis.