Adopt FY 2026-27 Final Budget Resolution; approve various Internal Service Fund billing rates; approve FY 2026-27 employee and employer retirement contribution rates; direct Human Resource Services to adjust position counts to reconcile straw vote; establish District Attorney Special Appropriations and Vehicle Theft Task Force Special Funds; establish Sheriff Special Appropriations fund and Regional Narcotics Suppression Program; adopt resolutions authorizing temporary transfers of funds; direct Auditor-Controller to make related payments and reimbursements; approve FY 2026-27 County Master Events Calendar and FY 2026-27 Charitable Organization Activities Plan and make related findings under Government Code Section 26227; adopt resolution approving Sponsorship Marketing Plan and making related findings; adopt resolution approving United Way of Orange County to conduct FY 2026-27 charitable campaign and making related findings; receive and file FY 2026-27 annual list of County Ad Hoc Committees; approve revised County Organizational Change Administrative Procedure and authorize County Executive Office to make changes under certain conditions; approve revised classification specifications, title descriptions and set pay grades, effective 6/26/26; approve and adopt Side Letter Agreements with Orange County Employees Association Community Services Unit and Supervisory Management Unit; adopt revisions to Personnel & Salary Resolution, effective 6/26/26; adopt Retirement Assistance Program and Policy, a voluntary incentive program, and authorize County Executive Officer or designee to enter into agreement as necessary, authorize Chief Human Resource Officer or designee to administer Retiree Medical Program and Health Reimbursement Arrangement Plan, make amendments as necessary and return to the Board of Supervisors for approval; adopt Part-Time Plus Program, a voluntary program, and authorize County Executive Officer or designee to implement and administer program