### 5.2.2 Number of Individuals Required per Task
The CA Private Key SHALL be backed up, stored, and recovered only by personnel in trusted roles using, at least, dual control in a physically secured environment.
CS
### 5.2.2 Number of persons required per task
The CA Private Key SHALL be backed up, stored, and recovered only by personnel in trusted roles using, at least, dual control in a physically secured environment.
EVG
### 5.2.2 Number of persons required per task
SMIME
### 5.2.2 Number of persons required per task
The CA Private Key SHALL be backed up, stored, and recovered only by personnel in trusted roles using, at least, dual control in a physically secured environment.
BR
### 5.2.3 Identification and authentication for each role
BR
### 5.2.4 Roles requiring separation of duties
CS
### 5.2.4 Roles requiring separation of duties
1. The CA MUST enforce rigorous control procedures for the separation of validation duties to ensure that no one person can single-handedly validate and authorize the issuance of an EV Certificate. The Final Cross-Correlation and Due Diligence steps, as outlined in Section 11.13 of the EV Guidelines, MAY be performed by one of the persons. For example, one Validation Specialist MAY review and verify all the Applicant information and a second Validation Specialist MAY approve issuance of the EV Certificate.
2. Such controls MUST be auditable.
EVG
### 5.2.4 Roles requiring separation of duties
1. The CA MUST enforce rigorous control procedures for the separation of validation duties to ensure that no one person can single-handedly validate and authorize the issuance of an EV Certificate. The Final Cross-Correlation and Due Diligence steps, as outlined in [Section 3.2.2.13](#32213-final-cross-correlation-and-due-diligence), MAY be performed by one of the persons. For example, one Validation Specialist MAY review and verify all the Applicant information and a second Validation Specialist MAY approve issuance of the EV Certificate.
2. Such controls MUST be auditable.