PDF link:
https://www.dropbox.com/s/1ezk41bmo3s5cen/Pence-Ryan%20Emails.pdf?dl=0
Here is Rule 9:
RULE NO. 9
Filling Vacancies in Nominations
(a) The Republican National Committee is hereby authorized and empowered to fill any and all vacancies which may occur by reason of death, declination, or otherwise of the Republican candidate for President of the United States or the Republican candidate for Vice President of the United States, as nominated by the national convention, or the Republican National Committee may reconvene the national convention for the purpose of filling any such vacancies.
The information for the new Pence/Ryan ticket is also documented in the PDF at the top of the article. Lin Wood is going full nuclear on Parler – llinwood is his account.
David DeGerolamo
https://thenewamerican.com/trump-vp-pence/