The Senate parliamentarian has significantly impacted recent budget proposals from both Tim Scott and Donald Trump, rejecting crucial elements including cuts to the Consumer Financial Protection Bureau (CFPB) and Federal salaries. Key provisions aimed at eliminating the Public Company Accounting Oversight Board (PCAOB) and rolling back auto emissions rules have also been struck down. These decisions highlight the procedural challenges facing Senate Republicans, as attempts to navigate budget reconciliation and the Byrd rule have resulted in setbacks for their legislative agenda.