As an existing group self-insurance fund adds new members, it shall submit the form prescribed by the Bureau calculating each new member's modified manual premium. Following the receipt of the calculation form, the Bureau will issue to the group self-insurance fund a notice assessing it for the guaranty fund based on 1/2% centum of the total of its new members' modified manual premiums. The group self-insurance fund shall pay the assessment within 30 days of the receipt of the assessment.
34 Pa. Code § 125.209