The SSN requirement confuses me, especially as a US citizen with a US company. Whose SSN is the right one to use? Are they legally liable for events? Why requir

The SSN requirement confuses me, especially as a US citizen with a US company. Whose SSN is the right one to use? Are they legally liable for events? Why require a single person's SSN when in reality it's the corporation's account, goes to the corporation's bank account, which the corporation gets charged corporation taxes.