Dept. of State DOS solicitations generally limit the number of applications that may go forward in response to a specific solicitation. 
Prospective applicants from the UI who wish to apply to a DOS program that limits the number of applications allowed per institution must refer to the UI Limited Submissions guidelines at   https://uiowa.infoready4.com/#competitionDetail/1809264

Public Diplomacy with Djibouti
U.S. Embassy Djibouti - PAS Public Affairs Section Annual Program Statement
AF-DJ-PAS-22-01
https://www.grants.gov/web/grants/view-opportunity.html?oppId=336906
closing date  June 30, 2022  

Public Diplomacy with Uganda 
U.S. Mission in Uganda Public Affairs Annual Program Statement
AFKAM-FY22-01
https://www.grants.gov/web/grants/view-opportunity.html?oppId=336894
closing date  May 30, 2022

Public Diplomacy with Mozambique
PAS-MAP-FY22-02
U.S. Embassy Mozambique PAS Annual Program Statement – Cycle 1
https://www.grants.gov/web/grants/view-opportunity.html?oppId=336895 
closing date  May 1, 2022