In April, the first month of the six-month adjustment period for the fifth COLA under the 2024 HRSSC Agreement, the CPI-W Unadjusted Index (1967=100) rose to 972.667, an increase from the March 2026 index level upon which employees received the last COLA.
If the adjustment were made based on the April 2026 Index, the adjustment would be:
| Monthly Tracking | Amount |
| Per Annum | $478.00 |
| Per Pay Period | $18.40 |
| Cents Per Hour | $0.23 |
However, the fifth COLA under the 2024 HRSSC Agreement will be based on the September 2026 Index, and would be effective October 31, 2026 (pay period 24-2026, pay date November 20, 2026).
Under the 2024-2029 HRSSC Agreement, employees accrued the following adjustments totaling $2,621.00:
| # | Amount | Effective Date | Pay Period | Pay Date |
| 1 | $374.00 | November 02, 2024 | 24-2024 | November 22, 2024 |
| 2 | $666.00 | May 03, 2025 | 11-2025 | May 23, 2025 |
| 3 | $749.00 | November 15, 2025 | 25-2025 | December 05, 2025 |
| 4 | $832.00 | May 02, 2026 | 11-2026 | May 22, 2026 |