Guides and checks · Last checked 12 October 2026

The plain answer, from the primary source.

Short guides to the registrations, lists and rules that decide who you can buy from, sell to and contract with. Each one answers the question first, links the official tool and cites the rule with its date.

Every change to the FCC Covered List, Section 889, FASCSA orders, the 1260H list, the Entity List and the SDN List, dated and sourced, checked every day. Open the tracker →

Selling to the government

Checking a company or a wallet

Is it banned?

Crypto: scams and payments

Equipment and infrastructure