Electronic Catalog
The fundamental principle of this feature is the administration of an electronic catalog at the level of individual items. An economic operator maintains unit prices and stock availability for each item in the NEN system. Updates can be made at any time or upon receiving an catalog update notice. The electronic catalog can be only utilised when awarding public contracts in the dynamic purchasing system or based on a framework agreement.
This section describes catalog management solely via the user interface of the NEN system. catalog management can be realized via an interface between the economic operator’s system and the NEN system, and tender prices can subsequently be updated automatically via this interface.
At the moment of selecting values from the electronic catalog, the NEN system will automatically retrieve tender prices and stock quantities from the electronic catalogs of all economic operators. There is no traditional tender submission process. The economic operator does not perform any active action.
1. Tile "Electronic Catalog"
If you use the "Electronic Catalog" tile, the form is divided into two folders:
the "To Update the Price" folder contains a list of items currently requested by the contracting authority and designated for purchase. If there is no active deadline for updating the e-catalog to select items for the award of public contracts in the DPS or based on a framework agreement, the list will be empty. Editing information about individual items is possible only after the catalog is made accessible by the contracting authority,
the "All Items" folder.

Each item should be unique. The catalog may be expanded by the contracting authority over time. Currently, it includes a list of all items from all contracting authorities and all DPSs and FAs. Use filtering through the "Contracting authority" or "FA/DPS" columns.
If an economic operator does not want specific items from the electronic catalog to be used for the award of a public contract (see Section 215 (4)(b) of the ZZVZ), it is necessary to select "cross" in the "Submission allowed" column for these items. This operation can be performed in bulk using the export/import function of the electronic catalog. After the deadline for updating the e-catalog expires, the electronic catalog can be reset.

As soon as the deadline for updating the e-catalog expires (information about the deadline can be found in the update catalog notice received), the specific items will no longer be displayed in the "To Update the Price" folder.
2. Electronic catalog - the electronic catalog update based on an invitation
After receiving the invitation called "E-catalog update notice", you can view the details of the invitation through the "i" icon (the invitation can be found in the "Activities in My Procedures" tab, under the "Invitations" folder, located on the main screen on the right side).

In the top toolbar, click on the "Electronic catalog" button, the NEN system will automatically redirect you to the form where you can enter tender prices. Once the deadline for updating has passed, the "Electronic catalog" button will no longer appear in the top toolbar.

If an economic operator does not want specific items from the electronic catalog to be used for the award of a public contract (see Section 215 (4)(b) of the ZZVZ), it is necessary to select "cross" in the "Submission allowed" column for these items. This operation can be performed in bulk using the export/import function of the electronic catalog. After the deadline for updating the e-catalog expires, the electronic catalog can be reset.

To set a price for a customer number, if assigned, and add a price option for a specific record is possible by clicking on the "three dots" icon. The NEN system will create a new record for editing. The number of price options is limited in the NEN system by the contracting authority.
