On March 1, 2022, NanoHarmony held the first in a series of webinars covering the different phases that an Organization for Economic Cooperation and Development (OECD) test guideline (TG) progresses through during its journey from a science-based initial idea through to use by industry to fulfill regulatory obligations. A recording of the March 1, 2022, webinar on the use of TGs in industry is now available. A short survey is available to collect stakeholder viewpoints on the use of TGs and is a follow-up to the webinar. NanoHarmony invites all stakeholders to attend future webinars to give their opinions and to develop consensus on the barriers and ways of improving the TG process. The webinars will be highly interactive, and attendees will have the opportunity to share their experiences, thoughts, and suggestions.