Business and labor groups have negotiated a system of contribution limits they hope to push through before lawmakers adjourn March 10. Critics say the proposal is weak.

A political nonprofit long led by Oregon's powerful public employee unions wants to set campaign contribution limits in the state — and kill a competing 2024 ballot proposal by campaign finance reformers that would enact tighter limits and stricter ad disclosures.

New proposals introduced in the state Senate last week would set strict limits to quell the exorbitant spending in Oregon elections — without the same loopholes included in other bills introduced by top Democrats this session.