The phrase "new guidelines" refers to newly established rules or instructions that provide guidance on how to do something or behave in a certain way. Full definition
Lawmakers are working on new guidelines for who ends up in group therapy sessions with victims of sex crimes. (nystateofpolitics.com)
In the project described in this study, that component consisted of new guidelines on when to order the targeted tests as well as monthly feedback and reminders on how many tests were ordered. (sciencedaily.com)
For instance, in 2013, a whole set of new guidelines was released. (mommystroller.com)