As of May 20, 2024, the National Science Foundation (NSF) requires a one-page Mentoring Plan and certification of the use of Individual Development Plans for all graduate students and postdoctoral scholars for all new grant proposals. Below are some resources to help guide you in your proposal preparation.
Episode 9 is devoted to describing resources for mentoring plans and IDPS.
IDPs from disciplinary societies and examples from universities.
grad-post.com