Data Scraping Royal Mail Despatch Manager Online

We require a specific column to be scraped from the Royal Mail Despatch Manager Online portal. This scrape will involve a specific column being scraped and it's contents being exported into a CSV file. This CSV file should have two columns, one with the tracking number obtained from the Royal Mail Website and another with the internal sales code. Currently the procedure is as follows: 1) Login to [login to view URL] 2) Go to Archived Shipments 3) Select the date range applicable 4) A table comes up with the information of shipped items We need to be able to select the date range applicable Refer to attached document for full information.