The NatSIP Reference Group's report to the DfE on work carried out in the fourth quarter (January to March 2017) for the contract for 2016-17 has now been published and can be downloaded pdf here . (You need to register and be logged in to the NatSIP website before clicking on this link).
Welcome to the NatSIP Website
This website offers access to a wealth of SI resources, most of which are now freely available. We encourage you to register on the site for full access to everything we have to offer. Registration is free, and open to anyone. A walkthrough/howto on the registration process is here.