Wis. Stat. § 703.161: Annual budget.

(1) Application. This section applies to any condominium that includes at least one unit that is restricted to residential use.

(2) Requirement. An association annually shall adopt and distribute to all unit owners an annual budget setting forth all of the following:

(a) All anticipated common expenses and any amounts to be allocated to a statutory reserve account under s. 703.163 and to any other funds for future expenditures.

(b) The amount and purpose of any other anticipated association expenditure.

(c) The amount in any statutory reserve account under s. 703.163 or any other funds held for future expenditures.

(d) Any common surpluses.

(e) The amount and source of any income, other than unit owner assessments.

(f) The aggregate amount of any assessment to be levied against unit owners and the purpose of the assessment.