Vitamin B1 (Thiamin): Vitamin B1 is a water-soluble vitamin that the body requires to break down carbohydrates, fat, and protein. Every cell of the body requires vitamin B1 to form adenosine triphosphate (ATP). Vitamin B1 is also essential for the proper functioning of nerve cells.
If an employee is involuntarily terminated, his/her personnel records must be retained for one year from the date of termination. Under ADEA recordkeeping requirements, employers must also keep all payroll records for three years.
All payroll tax information must be kept for a minimum of 4 years, and if the W-2 was undeliverable then you are required to keep it on file for a minimum of 4 years, according to the recordkeeping section of pub 15.he IRS requires employers to keep all records of employment taxes  for at least four years after filing the 4th quarter for the year.  After four years, the records can be â¦ destroyed. 1 person found this useful.