How to prorate HSA Employer Contribution for employees hired after July 1st of each year?

Summary: The appropriate amonts are deposited within two weeks of July 1st of each year. The appropriate amount is prorated as follows for employees hired after July 1st of each year. July 1 - September 30: Receive full amount $1,500 single and $3,000 family. October 1 - December 31: Received 75% which equals $1,125 single and $2,250 family. January 1 - March 31: Receive 50% which equals $750 single and $1,500 family. April 1 - June 30: Receive 25% which equals $375 single and $750 family.

Content (required): Once an employee has received their annual allotment (single or family), this is all they or a family member will receive during the plan year. Other life events do not result in any splitting, reduction/repayment, or additional employer contribution.