In Industrial Internet of Things (IIoT), the absence of standardized forensic processes presents substantial hurdles to effective investigations. As IIoT devices become ubiquitous in critical infrastructure, ensuring consistency and reliability in forensic procedures becomes imperative. This paper aims to front the critical need for standardized IIoT forensic processes, challenges, impact and industry and government roles in achieving this. In addition, a taxonomy of forensic processes in IIoT has been suggested. By addressing concerns, the objective is to pave the way for consistent and effective forensic investigations across varied IIoT landscapes through standardized approaches.