A bill for an act relating to hazardous liquid pipelines, including common carrier requirements, proceedings under the Iowa utilities commission, including commission member attendance at hearings and informational meetings, including allowing certain persons to intervene in such proceedings, including sanctions on intervenors in contested cases, and permit, permit renewal, and operation limitations, and including effective date and applicability provisions.

Added new definitions for agricultural land, common carrier, and private development purposes to clarify when pipelines can use eminent domain.

Requires pipeline companies to hold informational meetings in affected counties and have commission members attend these meetings.

Requires commission members to be present during live testimony at hearings and mandates pausing meetings if members are unavailable.

Establishes new insurance requirements for pipeline permittees to cover damages from construction, operation, and property value diminution.

Allows commission to impose sanctions on intervenors who knowingly violate criminal statutes or cause quantifiable injury exceeding $500.

Gives general assembly members, elected officials, and residents with plausible interests the right to intervene in commission proceedings.

Bill scope expanded from insurance requirements only to comprehensive pipeline regulation including common carrier rules and commission proceedings.

New definitions added for 'aboveground merchant line', 'agricultural land', 'commodity', 'common carrier', 'private development purposes', and 'public use'.

New requirement added for acquiring agencies to prove proposed use meets public use definition by clear and convincing evidence.

New requirement added for all commission members to be present during live testimony at hearings.

New requirement added for at least one commission member to attend each informational meeting.

New section added requiring pipeline companies to hold informational meetings in each affected county at least 30 days before filing petitions.