zakup i dostawa plotera ze skanerem

Question: What is the contract timeline?

Context: Contract start date, end date, total duration, and any key milestones or phases mentioned. Return null if not stated.

Format: Answer with a plain text string. If not found, write "null".

The contract timeline includes the following elements:

• Offer Submission Deadline: September 15, 2026, at 11:00:00 (UTC+02:00).
• Offer Opening Date: September 15, 2026, at 11:15:00 (UTC+02:00).
• Offer Validity Period: The offer must remain valid for 90 days, with the binding period ending on December 13, 2026.
• Contract Performance Period: The contractor is to perform the subject of the agreement within "……… calendar days from the date of conclusion of the agreement." The exact number of days is not specified in the provided documents.
• Delivery Deadline: The maximum delivery period that can be offered is 30 days. If no delivery period is specified by the contractor, 30 days will be assumed.
• Warranty Periods (counted from the acceptance date according to § 2 section 11):
• Part 1 (purchase and delivery of a plotter with a scanner): 36 months.
• Part 2 (purchase and delivery of scanners and multifunction devices): 24 months.

The contract start date, end date, and total duration are not explicitly stated as fixed dates or a definitive duration in the provided documents, as the performance period is left blank, and the start/end dates depend on the unspecified date of agreement conclusion.

• Instructions and operating elements of devices must be in Polish.
• Diode-toner printing technology for plotters.
• Powder toner for plotters.
• 4 CMYK toners for plotters.
• Devices must be fully compatible with the contracting authority's network and system infrastructure.
• Web browser supporting JavaScript (minimum Internet Explorer 10.0 or newer).
• Adobe Acrobat Reader or another program supporting .pdf files.
• Operating system: MS Windows 7, Mac OS X 10.4, Linux, or newer versions for the e-procurement platform.
• TLS 1.3 protocol for encrypted communication with the e-procurement platform.
• UTF8 coding for network communication with the e-procurement platform.
• PC or MAC computer with a minimum of 2 GB RAM and an Intel IV 2 GHz processor (or newer) for the e-procurement platform.
• USB 3.1 interface for devices.
• LAN RJ45 interface for devices.
• Color LCD panel for devices.
• OCR software with full support for the Polish language.
• Support for PDF, JPEG, TIFF, BMP, Word, Excel formats for scanned documents.
• Port RJ45 1000Base-T for network connectivity.
• NFC module.
• USB port for devices.
• Built-in OCR module for multifunction devices (scanning to searchable PDF, Word, PowerPoint, password-protected PDF).
• Data encryption on local media compliant with FIPS 140-3 standard.