Final answer:
Employers are required to save OSHA 300 logs for a minimum of 5 years after submission to comply with recordkeeping regulations.
Step-by-step explanation:
The minimum length of time that an employer is required to save the OSHA 300 logs following submission in a particular year is 5 years. This requirement is part of OSHA's regulations to ensure that accurate records of work-related injuries and illnesses are maintained. These records are essential for identifying and addressing workplace hazards and ensuring that employers provide the necessary safety training, equipment, and medical tests to protect their workers.