The steps to follow to create digital guarantees are as follows:

                                        -CREATION OF THE DIGITAL GUARANTEE DOCUMENT
                                        -ELECTRONIC SIGNATURE OF THE DIGITAL GUARANTEE
                                        -BID PREPARATION, LOADING OF DIGITAL GUARANTEE  AND TENDERING BY THE COMPANY
                                        -BID OPENING ACT BY THE ADMINISTRATION

 :: CREATION OF THE DIGITAL GUARANTEE DOCUMENT

Image 1 illustrates Digital Guarantee document creation using Adobe Acrobat (.pdf) software.

                                               Image 1

 :: ELECTRONIC SIGNATURE OF THE DIGITAL GUARANTEE

Image 2 illustrates IZENPE digital signature services access prior to digital guarantee signing.

                                               Image 2

Image 3 and 3.1. illustrates the electronic signature process.

                                               Image 3

                                               Image 3.1

Image 4 illustrates the original document (in red, file “aval digital.pdf”) and the Electronically Signed Digital Guarantee (in blue, file “Aval Digital.pdf with PKCS #7 signature”).

                                               Image 4

Image 4.1 illustrates the process of saving 2 signature documents compressed in a .zip file.

                                               Image 4.1

OS DE BÚSQUEDA

Images 5 and 5.1 illustrates that the document in Envelope (B) contains a tray to add the Provisional Guarantee file (Telematic Guarantee).

                                               Image 5

                                               Image 5.1

Image 6 illustrates the process of inserting the Provisional Guarantee (Telematic Guarantee) in Envelope (B).

                                               Image 6

Image 7 illustrates the contents of the entire bid, including the Provisional Guarantee (Telematic Guarantee) in envelope (B), ready to be signed and submitted to the Electronic Public Procurement system servers.

                                               Image 7

Image 8 illustrates the bid receipt inscription certificate in the Basque Government’s telematic register of receipts and dispatches, including the Provisional Guarantee (Telematic Guarantee) in envelope (B).

                                               Image 8

Opening of the secure electronic tendering system server at the official sealed bid opening time, having obtained the minimum quorum of procurement desk members.

Downloading and decoding of files supplied by the Company in envelopes A, B and C.

Verification of power of representation and electronic signature of Company signatory.

Verification of electronic signature of representative for Mutual Guarantee Society or Financial Institution that has generated the digital guarantee. (Image 9)

                                               Image 9

Validation of digital guarantee.