Who is affected and how:

• Federal agencies: Required to create Reserve units and to host temporarily assigned volunteers when the Reserve is activated; agencies must plan for training, supervision, security vetting, and integration of private experts.
• Private-sector experts and volunteers: Engineers, cyber specialists, retired officials, consultants, and other qualified individuals may volunteer, receive training, and be temporarily assigned to Federal service; they gain defined reemployment protections but must meet eligibility and training standards.
• The President and interagency leadership: Gain an additional personnel tool and are required to develop at least one targeted DPA voluntary agreement using Reserve units; they must manage rulemaking deadlines and program oversight.
• Commerce and Justice Departments (Secretary of Commerce and Attorney General): Must complete new rulemaking to change the DPA voluntary agreement process, requiring legal and regulatory resources and coordination with other agencies.
• Critical infrastructure operators and the defense industrial base: May be affected by the new DPA voluntary agreements (for example, agreements to plan response and recovery from catastrophic cyberattacks) and by Reserve participation in implementation and coordination.
• Employers of volunteers: Must accommodate temporary federal service of employees and comply with the employment protections required by the law, potentially adjusting leave and reemployment processes.

Overall effects:

• Improves surge capacity and access to private-sector skills for national defense emergencies, speeding access to technical expertise.
• Requires substantial interagency rulemaking and program setup, with uncertain resource and administrative costs until agencies finalize rules and funding decisions.
• Raises governance issues that will need attention in rulemaking: conflict-of-interest safeguards, security clearances, scope of authority for volunteers, liability and indemnification, and how volunteers balance federal duties with outside employment.
• Could be politically debated on grounds of oversight, potential for undue private influence, and civil‑service norms, but it creates a clear legal framework for temporary private-sector service in emergencies.