Hello Gordon

Setting public access is treated the same as setting an individuals access. The steps for which are

To Control Access To Your Dataset For the Public…
1.    Go to the NBN Gateway website
2.    Click LOG IN/OUT at the top of the page.
3.    Enter your username and password and click LOG IN
4.    Click MY ACCOUNT at the top of the page.
5.    Under the left-hand subtitle Species Datasets click - you manage
6.    In the Species datasets you manage table click manage under Users for the relevant dataset.
7.    To set public access click edit alongside Public User always listed in the Current Users table.
8.    In the table Update access for Public User complete the form and click set new access.

Best wishes
Graham French
NBN Technical Liaison Officer