Act 7 Electronic Signatures Act PART III—SECURE DIGITAL SIGNATURES 2011 13. Secure digital signatures. When a portion of an electronic record is signed with a digital signature the digital signature shall be treated as a secure electronic signature in respect of that portion of the record, if— (a) the digital signature was created during the operational period of a valid certificate and is verified by reference to a public key listed in the certificate; and (b) the certificate is considered trustworthy, in that it is an accurate binding of a public key to a person’s identity because— (i) the certificate was issued by a certification service provider operating in compliance with regulations made under this Act; (ii) the certificate was issued by a certification service provider outside Uganda recognised for the purpose by the Controller pursuant to regulations made under this Act; (iii) the certificate was issued by a department or ministry of the Government, an organ of state of statutory corporation approved by the minister to act as a certification service provider on such conditions as the regulations may specify; or (iv) the parties have expressly agreed between themselves to use digital signatures as a security procedure and the digital signature was properly verified by reference to the sender’s public key. 14. Satisfaction of signature requirements. (1) Where a rule of law requires a signature or provides for certain consequences in the absence of a signature, that rule shall be satisfied by a digital signature where— 18