Section 69.609 - End User Common Line hypothetical net balances(a) If the company does not participate in the association tariff for such element, the hypothetical net balance shall be zero.(b) If the company does participate in the association tariff for such element, the hypothetical net balance shall be computed by multiplying an amount that is computed by deducting access revenues collected by such company for such element from an End User Common Line revenue requirement for such company that is computed in accordance with subpart F of this part by a factor that is computed by dividing access revenues collected by all such companies for such element by an End User Common Line revenue requirement for all such companies that is computed in accordance with subpart F of this part. For purposes of this calculation, access revenues collected shall include any revenues foregone because of a voluntary reduction made pursuant to § 69.104(r)(7) .48 FR 10358, Mar. 11, 1983, as amended at 66 FR 59733, Nov. 30, 2001