By Keith Laing - 01/03/13 05:59 PM EST
Cruz and Fischer were both elected in last November's elections, taken over seats that were being vacated by retiring Sens.
Kay Bailey Hutchison (R-Texas) and Ben Nelson (D-Neb.) respectively.
Scott was appointed to the Senate last month after former South Carolina
Sen. Jim DeMint (R) resigned from the chamber.
GOP leaders also announced that Fisher and Sen. Roger WickerRoger WickerOvernight Healthcare: Senate making headway on Zika funding DNC head: Republicans ‘dropping like flies’ from convention Campaign chief to vulnerables: Stay away from GOP convention MORE (R-Miss.) would be joining the Senate Environment and Public Works Committee, while Sens. Lamar AlexanderLamar AlexanderDemocrats block energy spending bill over Iran amendment Overnight Finance: Puerto Rico pressure builds; Big tariff vote Wednesday Senate votes to increase wind energy funding MORE (R-Tenn.) and Mike JohannsMike JohannsTo buy a Swiss company, ChemChina must pass through Washington Republican senator vows to block nominees over ObamaCare co-ops Revisiting insurance regulatory reform in a post-crisis world MORE (R-Neb.) would be leaving the panel.
-This post was updated with new information at 2:31 p.m.