SUBPART 4.1 –– CONTRACT EXECUTION
4.101 Contracting officer's signature.
(S-90) Original signatures or electronic signatures which utilize PKI certificates are considered binding and legal.
(S-91) Automatic telecommunications contract/order modifications that account for usage charges marked with IDEAS Generated Auto-Modification signature blocks are considered binding and legal.
4.102 Contractor’s signature.
(S-90) All negotiated contract awards, both sole source and competitive, shall include the contractor’s signature on the award form.