Opponents of a bill that dramatically raises the state’s campaign contribution limits are asking the Arizona Supreme Court to strike it down before it goes into effect in two months, arguing that the measure violates the Voter Protection Act.

The Senate has amended one of the budget bills to remove the provision that called for a ballot referral for the suspension of Proposition 105.

The Senate assigned two House budget bills to the Appropriations Committee on Aug. 7, signaling that changes will be made to the budget deal that the governor and Republicans had reached.