A Standard Document listing the documents often used for the closing of an offering of investment-grade non-convertible debt securities registered on a Form S-3 shelf registration statement under the Securities Act of 1933 by a US reporting company. The offering is a takedown from the shelf of one series of the issuer's debt securities and is a firm-commitment underwritten offering. This Checklist may be used by counsel to track the status of all documents, regardless of who is responsible for drafting a particular document. This Standard Document includes a note with important explanations and drafting tips.