State progression for normal, standard, and emergency changes

Each change request model progresses through a number of state values in a specific order.

Table 1. Normal change state progression
State Can be canceled? Diagram
1. New Yes
Figure 1. Normal change state model
Normal change state model
2. Assess Yes
3. Authorize Yes
4. Scheduled Yes
5. Implement Yes
6. Review Yes
7. Closed No

Table 2. Standard change state progression
State Can be canceled? Diagram
1. New Yes
Figure 2. Standard change state model
Standard change state model
2. Scheduled Yes
3. Implement Yes
4. Review Yes
5. Closed No

Table 3. Emergency change state progression
State Can be canceled? Diagram
1. New Yes
Figure 3. Emergency change state model
Emergency change state model
2. Authorize Yes
3. Scheduled Yes
4. Implement Yes
5. Review Yes
6. Closed No