(a) Account. The Railroad Unemployment Insurance Account established by section 10 of the Railroad Unemployment Insurance Act (RUIA) and maintained by the Secretary of the Treasury in the unemployment trust fund established pursuant to section 904 of the Social Security Act. Benefits paid under the RUIA for an employee's days of unemployment or days of sickness are paid from this Account.

(b) Benefit ratio. This ratio is computed for each employer as of any given June 30 by dividing all benefits charged to the employer under subpart E of this part during the 12 calendar quarters ending on such June 30 by the employer's three-year compensation base as of such June 30, as computed under paragraph (q) of this section. The ratio is computed to four decimal places.

(c) Benefits. Benefits are money payments paid or payable by the Board to a qualified employee with respect to his or her days of unemployment or days of sickness, as provided by the RUIA.

(d) Compensation. This term has the meaning given in part 302 of this chapter.

(e) Contributions. Contributions are the money payments paid or payable by an employer subject to this part with respect to the compensation paid or payable to employees of such employer.

(f) Cumulative benefit balance. An employer's cumulative benefit balance as of any given June 30 is determined by adding:

(1) The net amount of the benefits charged to the employer under subpart E on or after January 1, 1990, and

(2) The cumulative amount of the employer's unallocated charges on and after January 1, 1990, as computed under paragraph (r) of this section.

(g) Fund. The Railroad Unemployment Insurance Administration Fund established by section 11 of the RUIA and maintained by the Secretary of the Treasury in the unemployment trust fund established pursuant to section 904 of the Social Security Act. The costs incurred by the Board in administering the RUIA are paid from the Fund.

(h) Net cumulative contribution balance. The Board will determine an employer's net cumulative contribution balance as of any given June 30, as follows:

(1) Step 1. Compute the sum of all contributions paid by the employer pursuant to this part after December 31, 1989; add that portion of the tax, if any, imposed under 26 U.S.C. 3321(a) that is attributable to the surtax rate under section 7106(b) of the Railroad Unemployment Insurance and Retirement Improvement Act of 1988 (Pub. L. 100-647) and any repayment taxes paid by the employer pursuant to 26 U.S.C. 3321(a) after the outstanding balance of loans made under section 10(d) of the RUIA before October 1, 1985, plus interest, has been paid;

(2) Step 2. Subtract an amount equal to the amount of such contributions deposited, pursuant to section 8(i) of the RUIA, to the credit of the Fund; and

(3) Step 3. Add an amount equal to the aggregate amount by which such contributions were reduced in prior calendar years as a result of pooled credits, if any, under paragraph (k) of this section.

(i) One-year compensation base. An employer's one-year compensation base is the aggregate amount of compensation with respect to which the employer is liable for contributions under this part in the four calendar quarters ending on such June 30.

(j) Pooled charge ratio. The pooled charge ratio, when applicable, is a pro-rata increase in the rate of contribution assigned to each employer that is not already paying contributions at the maximum rate. A pooled charge will become applicable to each such employer during a calendar year when the Account loses income because one or more other employers are paying contributions at the maximum rate (12 or 12.5 percent) rather than at the higher experience-based rate that their benefit charges would otherwise require. The pooled charge ratio thus picks up the cost of benefits paid to employees of employers whose rate of contribution is capped at the maximum rate. The pooled charge ratio for a calendar year is the same for all employers whose rate is less than the maximum and is computed as follows:

(1) Step 1. For each employer paying contributions at the maximum contribution limit under §345.301(c) of this part, compute the amount of contributions that such employer would have paid if its experience-based rate were applied to its one-year compensation base as of the preceding June 30 and by then deducting from such amount the amount derived by applying the maximum contribution rate to the same one-year compensation base. For the purposes of this computation, the experience-based rate is the rate computed for such employer under §345.303 of this part.

(2) Step 2. After the amount is computed for each employer in accordance with Step 1 of this paragraph (j), add the amounts for all such employers. The aggregate amount so computed represents the amount of contributions not collected by the Account because of the maximum contribution limit.

(3) Step 3. For each employer whose experience-based rate of contribution, as computed at Step 3 of §345.303(a) of this part, is less than zero, the percentage rate by which the employer's rate was raised in order to bring that rate to the minimum rate of zero is multiplied by the employer's 1-year compensation base. The total of the amounts so computed is subtracted from the aggregate amount computed in Step 2 of this paragraph (j).

(4) Step 4. Divide the net aggregate amount computed at Step 3 of this paragraph (j) by the system compensation base as of the preceding June 30, excluding from such base the one-year compensation base of each employer whose experience-based contribution rate, computed at Step 6 of §345.303(a) of this part, exceeds the maximum contribution limit. The result is the pooled charge ratio for the current calendar year. This ratio is computed to four decimal places.

(k) Pooled credit ratio. Effective January 1, 1991, and on the first of each subsequent calendar year, the Board will reduce each employer's rate of contribution, as computed under §345.303 of this part, by the amount of the pooled credit ratio, if any, applicable to such calendar year. This ratio is computed by reference to the accrual balance to the credit of the Account as of the preceding June 30. The Board will determine the amount of the pooled credit ratio, as follows:

(1) Step 1. First, the Board computes the accrual balance to the credit of the Account as of the close of business on the preceding June 30 in the same manner as under Step 1 of paragraph (n) of this section. There will be a pooled credit ratio for the calendar year if that balance is in excess of the greater of $250 million or of the amount that bears the same ratio to $250 million as the system compensation base as of that June 30 bears to the system compensation base as of June 30, 1991, as computed in accordance with paragraph (o) of this section.

(2) Step 2. If there is such an excess amount, divide that excess amount by the system compensation base as of the June 30 preceding the calendar year. The result is the pooled credit ratio applicable to each employer for the calendar year involved in the computation. This ratio is computed to four decimal places.

(l) Reserve balance. An employer's reserve balance is computed as of any given June 30 by subtracting its cumulative benefit balance as of such June 30 from its net cumulative contribution balance as of such June 30. An employer's net cumulative benefit balance is computed under paragraph (f) of this section and its net cumulative contribution balance under paragraph (h) of this section. An employer's reserve balance may be either positive or negative, depending upon whether its net cumulative contribution balance exceeds its cumulative benefit balance.

(m) Reserve ratio. This ratio is computed for each employer as of any given June 30 by dividing its reserve balance as of June 30 by its one-year compensation base as of such June 30. An employer's reserve balance is computed under paragraph (l) of this section and its one-year compensation base under paragraph (i) of this section. This ratio is computed to four decimal places; it may be either a positive or negative figure, depending on whether the employer's reserve balance is a positive or negative figure.

(n) Surcharge rate. Effective January 1, 1991, and on the first of each subsequent calendar year, the Board will add to each employer's rate of contribution, as computed under §345.303 of this part, a surcharge rate of 1.5, 2.5, or 3.5 percent if the accrual balance to the credit of the Account, as of the preceding June 30, falls within the range of balances set forth in Steps 1 and 2 of this paragraph (n). The Board will determine which surcharge rate, if any, is in effect for a calendar year by means of the following computation:

(1) Step 1. First, the Board computes the accrual balance to the credit of the Account as of the close of business on the preceding June 30. Such balance will include any amounts in the Account attributable to loans made under section 10(d) of the Act before October 1, 1985, but not the obligation of the Account to repay such loans with interest. For this purpose, the Account will be deemed to include any balance to the credit of the Fund that exceeds $6 million. The surcharge rate, as specified in Step 2 of this paragraph (n), will apply if that balance is less than the greater of $100 million or of the amount that bears the same ratio to $100 million as the system compensation base as of that June 30 bears to the system compensation base as of June 30, 1991, as computed in accordance with paragraph (o) of this section.

(2) Step 2. If the balance to the credit of the Account is less than the greater of the amounts referred to in the last sentence of Step 1 of this paragraph (n), but is equal to or more than the greater of $50 million or of the amount that bears the same ratio to $50 million as the system compensation base as of that June 30 bears to the system compensation base as of June 30, 1991, then the surcharge rate for the calendar year shall be 1.5 percent. If the balance to the credit of the Account is less than the greater of the amounts referred to in this Step 2, but greater than or equal to zero, then the surcharge rate for the calendar year shall be 2.5 percent. If the balance to the credit of the Account is less than zero, the surcharge rate for the calendar year shall be 3.5 percent.

(o) System compensation base. The system compensation base as of June 30 of each year is the total of the amounts of the one-year compensation bases of all base year employers, computed in accordance with paragraph (i) of this section. Not later than October 15 of each year, the Board will compute the amount of the system compensation base and will publish notice of such amount in the Federal Register as soon as practicable thereafter.

(p) System unallocated charge balance. This balance, as computed initially for the period January 1 through June 30, 1990 and updated as of June 30 of each subsequent calendar year, represents the net amount of expenditures from, and income to, the Account that cannot be allocated as benefit charges, or adjustments, to the cumulative benefit balances of individual base year employers. The Board computes this balance, as of June 30 of each year, as follows:

(1) Step 1. Compute the aggregate amount of all interest paid by the Account on loans from the Railroad Retirement Account after September 30, 1985, pursuant to section 10(d) of the RUIA, during the 12-month period ending on June 30;

(2) Step 2. Add the amount of unemployment benefits paid by reason of strikes or work stoppages growing out of labor disputes and the cumulative benefit balance of any defunct employer;

(3) Step 3. Add the aggregate amount of any other benefit payment that is not chargeable to a base year employer pursuant to subpart E of this part and any other expenditure not chargeable to the Fund;

(4) Step 4. Subtract the aggregate amount of income to the Account received as a proportionate part of the earnings of the unemployment trust fund, computed in accordance with section 904(e) of the Social Security Act, and all income to the Account received as fines or penalties collected under the RUIA;

(5) Step 5. Subtract the aggregate amount of all transfers from the Fund to the Account pursuant to section 11(d) of the RUIA;

(6) Step 6. Subtract the aggregate amount of any other cash receipt to the Account that cannot be treated as an adjustment to the benefit charges of a base year employer;

(7) Step 7. Subtract the net cumulative contribution balance of any defunct employer, calculated as of the date on which the Board determines that such employer is defunct. After the Board has computed the amount of the system unallocated charge balance as of June 30 of each year, the Board will publish notice of such amount in the Federal Register on or before October 15 of such year.

(q) Three-year compensation base. An employer's three-year compensation base as of any given June 30 is the aggregate amount of compensation with respect to which the employer is liable for contributions under this part in the 12 calendar quarters ending on such June 30.

(r) Unallocated charge. An employer's unallocated charge as of any given June 30 is the amount that, as of such June 30, bears the same ratio to the system unallocated charge balance as the employer's 1-year compensation base bears to the system compensation base. The system unallocated charge balance is computed under paragraph (p) of this section and the system compensation base under paragraph (o) of this section.