Creates registration requirements and restrictions on a “political issues committee”; requires all persons, including nonprofits, and political issues committees that make independent expenditures in support or opposition of a ballot measure to keep records for 6 years; requires political issues committees to affirm from the donor that the donor is not a foreign national and has not accepted funds of more than $100,000 from a prohibited source; requires all entities making an independent expenditure supporting or opposing a ballot measure to certify and affirm it has not accepted funds of more than $100,000 from a prohibited source; prohibits foreign nationals from making a donation, contribution, or expenditure in support or opposition of a ballot measure or solicit another person, or direct, dictate, control, or participate in another person’s decision to influence a ballot measure; permits civil action; authorizes revocation or suspension of a lobbyist’s registration; provides a right of privacy to a lawful donor to a tax-exempt organization; requires any investigation or lawful order to shield the identity of lawful donors; prohibits any state or locality, court, or officer of the court to collect or require the submission of information on the identity of any donor to a tax-exempt organization; prohibits disclosure to the public or another government official not directly involved in the investigation any information revealing the identify of any donor to a tax-exempt organization unless the donor is engaged in prohibited conduct; requires any ballot measure advertisements to include information about the individual or committee paying for the ad.

Proposes an amendment to the state constitution to increase the approval from simple majority to 60% of the vote for an initiative or referendum that amends the constitution to become a law.

Provides that the state nonprofit nonpartisanship provision shall be interpreted in accordance with state law, not the Johnson Amendment language of the federal tax code; defines "nonprofit organization" to include any corporation, association, trust, community chest, fund, foundation, or limited liability company organized and operated exclusively for religious, charitable, or educational purposes, or for the prevention of cruelty to children or animals, no part of the net earnings of which inures to the benefit of any private shareholder or individual; defines other key terms; restricts political campaign activities by nonprofits, prohibiting them from making, soliciting, or facilitating -- directly or indirectly -- campaign contributions for a candidate for public office, from publishing or distributing statements expressly supporting or opposing a candidate, or from using nonprofit resources or staff to support or oppose a candidate; provides that any organization violating these prohibitions may lose their exemption from taxes, fees, and impositions codified under that chapter of the state tax code; expressly permits nonprofits to lobby or advocate for legislation if it does not involve participation in a political campaign, to conduct nonpartisan analysis or study that is made available to the public, to provide nonpartisan voter education, and to engage in nonpartisan voter registration and GOTV efforts; provides safe harbors allowing nonprofits to host candidate appearances, offer the use of nonprofit facilities, or post candidate information on their websites, as long as offered on a nonpartisan and nondiscriminatory basis to all candidates, without favoritism; provides real property tax penalties for any tax-exempt property that is used for partisan campaign activity as prohibited by law.

Urges President Trump, Vice President Vance, Senate Majority Leader Thune, Speaker Johnson, and the US Congress to repeal the Johnson Amendment; names the resolution after Leland Muhlenberg after historic pastors.

Establishes a working group to study and develop ways to prevent nonprofits that receive state funds, directly or indirectly, from aiding or promoting the success or defeat of any candidate, political party, or political ideology, or engaging in partisan campaign activities; studies potential repercussions for violations, including loss or reduction of state funding, or criminal penalties; requires the study by 1/1/26.

Makes public certain legislative correspondence, including correspondence regarding bills appropriating state funds to businesses and nonprofits, correspondence with lobbyists and lobbyist principals regarding legislation, and correspondence with state agencies regarding business interests of the legislator.

Requires a lobbying activity report on legislation lobbied and position taken by a lobbyist or lobbyist's employer; requires the report to be filed within 48 hours of the commencement of lobbying activity, and identify the specific legislation lobbied, the position taken, and whether that position has changed; requires reporting by any lobbyist or lobbyist's employer who is required to file an expenditure report or registration statement; preserves lobbying activity reports for at least ten years, and provides for public disclosure.

Prohibits the use of public funds to be used to lobby, attempt to influence legislation, participate in political activity, or contribute funds to any entity for that purpose; requires any recipient of public funds that lobbies must physically and financially segregate the public funds from any funds used for lobbying; authorizes injunctive relief.

Waives the lobbyist registration fee for nonprofits with budgets less than $5 million.

Waives the lobbyist registration fee for nonprofits with total expenses less than $1 million.