Get an EIN: If you plan to rent personnel or your LLC has multiple member, you’ll need to have to acquire an EIN within the IRS. In case you are one-member LLC, an EIN will not be expected but can nevertheless be effective. An EIN is gratis. Conference the BOI https://www.aerocivil.gov.co/atencion/participacion/encuesta/Lists/Rendicin%20de%20Cuentas%202017/DispForm.aspx?ID=37899