All lobbying filings

Sonosky, Chambers, Sachse, Endreson & Perry, LLP

Sonosky, Chambers, Sachse, Endreson & Perry, LLP filed a Q2 report for Standing Rock Sioux Tribe on July 14, 2025.

Lobbying for Standing Rock Sioux Tribe

As filed: SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP for STANDING ROCK SIOUX TRIBE.

All filings by Sonosky, Chambers, Sachse, Endreson & Perry, LLP · Everything Standing Rock Sioux Tribe has reported

Filing · LD-2 quarterly report Q2 report

Reporting period

2nd Quarter 2025

Apr 1 - June 30 · Posted Jul 14, 2025

Money reported

None

Registrations and no-activity reports carry no figure.

Client based in

North Dakota

Official filing document

Government bodies contacted 3

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when. Each name opens every filing that named the same body.

Lobbying activity 1

Indian/Native American Affairs

Construction of Bridge over the Missouri River

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.

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