Please be aware that this is NOT a PDF download.

This is an E-Reader edition of OPRC Convention & OPRC-HNS Protocol Guide to Implementation, 2020 Edition e-book (e-Reader download)

E-reader files are accessed using the new IMO Bookshelf, a browser-based hybrid software, providing access to essential IMO publications.

You can access the new IMO Bookshelf using any modern browser, including Google Chrome, Microsoft Edge, Mozilla Firefox and Apple Safari.

The older Windows-based IMO Bookshelf software (v.5.13) was retired on 30 April 2022. From 1 May 2022, all digital IMO publications are available only in the new IMO Bookshelf format. The Windows-based IMO Bookshelf (v.5.13) will be supported until 30 June 2023.

Please see the IMO Bookshelf page on the IMO website for more details.

E-reader downloads from IMO are personalised to order, so are non-returnable so please ensure that this is the format that you require before placing your order

Please note: You will receive an e-mail with details of how to download your e-book. This will normally be sent within two hours of receipt of your order during offing hours (9am-5pm, Mon-Fri) or the next working day if received outside this time.