Health and safety representatives (HSR) have the power to issue provisional improvement notices (PIN) to their employer for safety breaches. This paper examines how PINs influence workplace dynamics or employee voice. Semi-structured interviews were conducted with HSRs and other key stakeholders. https://www.roneverhart.com/Western-Digital-Ultrastar-DC-HC550-WUH721816ALE6L0-0F38460-16TB-7-2K-RPM-SATA-6Gb-s-512e-ISE-3-5in-Hard-Drive/