To add another organization using which you can place orders, go to your legal settings. persons:

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In the window that opens, click the "Add legal organization" button:

Select the type of organization (legal entity or sole proprietorship), indicate its details.
To save the changes, click the Save button.

After saving, you can select the organization as a buyer. The choice of organization is carried out in the upper menu:

At the time of placing the order, the previously selected organisation will be indicated.