How to submit appropriations requests:
1. Go to your Congressperson's web site and look for "appropriations requests" or "programmatic requests"
2. Use the following suggested language for DOE Office of Science, DOE Office of High Energy Physics, and NSF:
https://docs.google.com/document/d/1IzHRvft2kh_4_4ecfatkL6PTmJ-xQxk_fmdzBBcFgjk/edit?usp=sharing
3. You can add a few sentences about the impact on your organization, e.g. "my university works on neutrinos/dark matter/Higgs and HEP funding is critical to our research, student engagement, etc."

References from the talk:
“The DC Trip” https://arxiv.org/abs/2207.00122
Areas beyond funding https://arxiv.org/abs/2207.00124
Non-Congressional engagement https://arxiv.org/abs/2207.00125
topical group report https://arxiv.org/abs/2209.09067
frontier report https://arxiv.org/abs/2211.13210
Text of H. R. 4346 (“CHIPS and Science Act”), p. 81 https://www.congress.gov/117/bills/hr4346/BILLS-117hr4346enr.pdf
https://www.usparticlephysics.org/2023-p5-report/
NSF appropriations history https://ww2.aip.org/fyi/2021/senators-pump-brakes-endless-frontier-act
Appropriations vs. CHIPS Authorizations https://fas.org/publication/fy24-chips-short-7-billion/
Federal spending on R&D vs. GDP https://www.niskanencenter.org/faster-growth-fairer-growth-policies-for-a-high-road-high-performance-economy/
"Where Is My Flying Car?" https://press.stripe.com/where-is-my-flying-car
DOE budget https://www.energy.gov/media/31909
https://www.usparticlephysics.org/
Tevatron ROI https://www.fnal.gov/pub/tevatron/files/120611Womersely.pdf
Salter and Martin, Res. Policy 30 (2001) 509 https://doi.org/10.1016/S0048-7333(00)00091-3
Jones and Summers, NBER 27863 https://www.nber.org/papers/w27863
NASA budget https://www.planetary.org/space-policy/nasa-budget
Breese Quinn, Snowmass presentation https://indico.fnal.gov/event/22303/contributions/245281/
FY25 President's Budget Request https://www.energy.gov/sites/default/files/2024-03/FY2025-PresidentsRequest-HEP-1.pdf