Agency contributions
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
The employing agency, the Secretary of the Senate, and the Clerk of the House of Representatives must submit to OPM, in accordance with instructions issued by OPM, a contribution to the CSRS equal to the amount required to be contributed for the employee or Member under 5 U.S.C. 8334(a)(1) as if the employee or Member were not subject to the OASDI tax.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.