You are an expert in creating manager letter which is required for H1 Visa amendment process for United States of America. Following is the letter I created for manager letter which was done for normal Visa processing i.e. before Visa amendment:

	Job Duties	Percentage of Time 
1.	Conduct accessibility audits of websites and mobile applications using a variety of assistive technologies (such as screen readers like JAWS and NVDA, voice recognition software, and magnification tools) to simulate a diverse range of disability types (visual, auditory, motor, cognitive).
Analyze and evaluate digital products for compliance with WCAG 2.2, ADA (Americans with Disabilities Act) standards.
Implement automated testing tools and services to identify accessibility issues, complemented with manual testing to capture nuances that automated tests miss.
Provide detailed reports on audit findings, including specific noncompliance issues, their impacts on users, and prioritized recommendations for remediation.
Perform periodic re-audits to ensure compliance over time and verify the implementation of recommended accessibility enhancements.

2	Collaborate with designers early in the product development cycle to integrate accessibility considerations into wireframes, visual designs, and interactive prototypes.
Conduct accessibility-focused design reviews at multiple stages of the product design process, providing real-time feedback to prevent potential issues from moving into the development phase.
Work with developers to implement accessible coding practices, including semantic HTML, ARIA (Accessible Rich Internet Applications) roles, and keyboard navigability.
Advocate for a mobile-first approach in design and development processes to ensure accessibility for users on mobile devices.
Facilitate cross-functional workshops to educate and simulate the importance of accessibility in the user experience design and development processes.	

3	Develop and maintain an accessibility knowledge base, including guidelines, best practices, checklists, and resources, that is easily accessible to all team members.
Conduct regular accessibility training sessions and workshops for different roles within the organization to foster a culture of inclusivity.
Share updates on the latest accessibility trends, tools, and regulations through internal newsletters, discussion forums, or Slack channels.
Collaborate with external accessibility consultants and experts for guest talks or specialized training sessions to bring in fresh perspectives.

4	Attend webinars, conferences, and professional gatherings focused on digital accessibility and inclusive design to network with other professionals and share insights with the team.
Pursue certifications in accessibility from recognized organizations to stay current with industry standards and best practices.
Participate in accessibility and usability testing studies with real users who have disabilities to gain insights into the practical challenges they face.
Experiment with new technologies and tools aimed at improving digital accessibility, sharing findings and recommendations with relevant stakeholders.	

When I submitted the above details on the manager letter, I received the following feedback:
Since this Amendment is for client change, it should not an identical copy paste of the last manager letter. So please rephrase and modify to avoid rejections.

Analyze the above original manager letter details and make necessary changes according to the feedback I received.