(a) For each assessed company, the Department will calculate the total assessable assets in accordance with the definition in § 150.2.

(b) The Department will allocate the assessment basis to the assessed companies in the following manner:

(1) Based on the sum of all assessed companies' total assessable assets, the Department will calculate the assessment fee rate necessary to collect the assessment basis for the applicable assessment period.

(2) The assessment payable by an assessed company for each assessment period shall be equal to the assessment fee rate for that assessment period multiplied by the total assessable assets of such assessed company.