Washington Administrative Code
Title 458 - Revenue, Department of
Chapter 458-40 - Taxation of forest land and timber
Section 458-40-680 - Timber excise tax-Volume har-vested-Approved scaling and grading methods-Sample scaling-Conversions
Current through Register Vol. 23-24, December 15, 2023
(1) Introduction. The acceptable log scaling and grading standard for stumpage value areas 1, 2, 3, 4, 5, and 9 is the Scribner Decimal C log rule as described in the most current edition of the "Official Log Scaling and Grading Rules" developed and authored by the Northwest Log Rules Advisory Group. The acceptable log scaling standard for stumpage value areas 6 and 7 is the Scribner Decimal C log rule described in the most current edition of the "Eastside Log Scaling Handbook" as published by the Northwest Log Rules Advisory Group, except that timber harvested in stumpage value areas 6 and 7 must be scaled using the current regional taper rules at the point of origin.
(2) Special services scaling. Special services scaling as described in the "Official Log Scaling and Grading Rules" developed and authored by the Northwest Log Rules Advisory Group may not be used for tax reporting purposes without prior written approval of the department of revenue.
(3) Sample scaling. Sample scaling may not be used for tax reporting purposes without prior written approval of the department of revenue. To be approved, sample scaling must be in accordance with the following guidelines:
(4) Conversions to Scribner Decimal C Scale. The following definitions, tables, and conversion factors must be used in determining taxable volume for timber harvested that was not originally scaled by the Scribner Decimal C Log Rule. Conversion methods other than those listed are not to be used for tax reporting purposes without prior written approval of the department of revenue. Harvesters who wish to use a method of conversion other than those listed below must obtain written approval from the department of revenue before harvesting. Purchasers may obtain written approval of a sample scaling method from the department of revenue. The department will maintain a list of purchasers with an approved sample scaling method. A harvester may obtain this list and a summary of the approved method for specific purchasers from the department of revenue. If a harvester has not obtained approval of a sample scaling method before harvesting, the harvester may use a purchaser's approved sample scaling method. If the harvester, or purchaser, fails to use an approved sample scaling method or other method of conversion approved by these rules to set the purchase price, the department will establish its own method, as the circumstances require, to determine a reasonable estimate of the volume of timber sold.
(Stumpage Value Areas 1, 2, 3, 4, 5, & 9) BOARD FOOT WEIGHT SCALE FACTORS (TONS/MBF) |
|
Species |
Quality code |
1 |
|
Douglas-fir1 |
7.50 |
Western Hemlock2 |
8.25 |
Western Redcedar3 |
7.0 |
Red Alder4 |
7.80 |
Chipwood |
9.0 |
1 Includes Douglas-fir, Western Larch, Western White Pine and Sitka Spruce. Only for volume including less than 25% No. 2 sawmill or better log grades.
2 Includes Western Hemlock, Mountain Hemlock, Pacific Silver Fir, Noble Fir, Grand Fir, Subalpine Fir, Lodgepole Pine and other conifers not separately designated. Pacific Silver Fir, Noble Fir, Grand Fir, and Subalpine Fir are all commonly referred to as "White Fir." Only for volume including less than 25% No. 2 sawmill or better log grades.
3 Includes Alaska-cedar.
4 Maple, Black Cottonwood and other hardwoods. Only for volume including less than 40% No. 3 sawmill or better log grades.
(Stumpage Value Areas 6 & 7 ) BOARD FOOT WEIGHT SCALE FACTORS (TONS/MBF) |
|
Species |
Quality code |
1 |
|
Ponderosa Pine1 |
6.50 |
Douglas-fir 2 |
5.50 |
Lodgepole Pine |
6.0 |
Western Hemlock 3 |
5.50 |
Englemann Spruce |
4.50 |
Western Redcedar 4 |
4.50 |
Chipwood |
9.0 |
Small Logs |
6.50 |
1 Only for volume with 10 or more logs 16 feet long per thousand board feet Scribner scale.
2 Includes Western Larch.
3 Includes Western Hemlock, Mountain Hemlock, Pacific Silver Fir, Noble Fir, Grand Fir, Subalpine Fir, and other conifers not separately designated. Pacific Silver Fir, Noble Fir, Grand Fir, and Subalpine Fir are all commonly referred to as "White Fir."
4 Includes Alaska-cedar.
Total Scribner Board Foot Volume Stumpage Value Areas 1, 2, 3, 4, 5, and 9 |
|||||||||||||||||
Pole Class1 |
Piling Class2 |
||||||||||||||||
Length |
H6 |
H5 |
H4 |
H3 |
H2 |
H1 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
9 |
10 |
A |
B |
20 |
50 |
50 |
40 |
40 |
30 |
30 |
20 |
20 |
20 |
80 |
70 |
||||||
25 |
60 |
60 |
50 |
50 |
40 |
40 |
30 |
30 |
30 |
100 |
90 |
||||||
30 |
110 |
70 |
60 |
60 |
50 |
50 |
40 |
40 |
130 |
110 |
|||||||
35 |
160 |
160 |
130 |
100 |
80 |
80 |
60 |
60 |
50 |
130 |
110 |
||||||
40 |
240 |
200 |
180 |
180 |
150 |
120 |
120 |
90 |
70 |
60 |
150 |
120 |
|||||
45 |
380 |
340 |
340 |
280 |
230 |
230 |
190 |
150 |
120 |
120 |
90 |
90 |
150 |
120 |
|||
50 |
430 |
370 |
370 |
300 |
260 |
260 |
210 |
160 |
140 |
140 |
100 |
160 |
140 |
||||
55 |
470 |
410 |
410 |
330 |
280 |
280 |
230 |
180 |
150 |
150 |
180 |
150 |
|||||
60 |
540 |
470 |
470 |
410 |
340 |
340 |
290 |
220 |
190 |
190 |
190 |
160 |
|||||
65 |
610 |
520 |
520 |
420 |
380 |
380 |
320 |
260 |
210 |
210 |
210 |
180 |
|||||
70 |
650 |
560 |
560 |
480 |
400 |
400 |
350 |
270 |
230 |
230 |
230 |
190 |
|||||
75 |
700 |
600 |
600 |
520 |
520 |
520 |
440 |
290 |
250 |
230 |
200 |
||||||
80 |
820 |
700 |
700 |
600 |
600 |
540 |
440 |
360 |
290 |
250 |
210 |
||||||
85 |
910 |
800 |
800 |
660 |
660 |
660 |
570 |
490 |
360 |
260 |
210 |
||||||
90 |
1080 |
930 |
930 |
820 |
820 |
690 |
590 |
490 |
400 |
260 |
220 |
||||||
95 |
1170 |
1000 |
1000 |
870 |
870 |
750 |
640 |
540 |
290 |
240 |
|||||||
100 |
1190 |
1030 |
1030 |
900 |
900 |
760 |
660 |
550 |
310 |
250 |
|||||||
105 |
1310 |
1160 |
1160 |
1000 |
1000 |
860 |
740 |
610 |
330 |
270 |
|||||||
110 |
1370 |
1220 |
1220 |
1050 |
1050 |
910 |
780 |
650 |
380 |
300 |
|||||||
115 |
1440 |
1280 |
1280 |
1100 |
1100 |
960 |
860 |
680 |
400 |
310 |
|||||||
120 |
1660 |
1460 |
1460 |
1300 |
1300 |
1140 |
970 |
820 |
500 |
400 |
|||||||
125 |
1840 |
1600 |
1600 |
1410 |
1410 |
1250 |
1080 |
930 |
|||||||||
130 |
1920 |
1680 |
1680 |
1490 |
1490 |
1310 |
1120 |
970 |
1 Pole class definitions taken from American National Standard specifications and dimensions for wood poles as approved August 7, 1976, under American National Standard Institute, Inc. codified ANSI 05.1-1972.
2 Piling class definitions as per American Society for Testing and Materials for "round timber piles." As the designation: D 25-58 (reapproved 1964).
Total Scribner Board Foot Volume Stumpage Value Areas 6 and 7 |
|||||||||||||||||
Pole Class1 |
Piling Class2 |
||||||||||||||||
Length |
H6 |
H5 |
H4 |
H3 |
H2 |
H1 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
9 |
10 |
A |
B |
20 |
70 |
60 |
50 |
50 |
30 |
30 |
20 |
20 |
20 |
90 |
70 |
||||||
25 |
80 |
70 |
50 |
50 |
40 |
40 |
30 |
30 |
20 |
100 |
80 |
||||||
30 |
110 |
90 |
60 |
60 |
50 |
50 |
50 |
40 |
130 |
110 |
|||||||
35 |
190 |
160 |
140 |
100 |
100 |
70 |
60 |
60 |
50 |
140 |
100 |
||||||
40 |
240 |
240 |
200 |
170 |
120 |
110 |
100 |
70 |
70 |
140 |
100 |
||||||
45 |
390 |
330 |
330 |
270 |
270 |
220 |
180 |
150 |
110 |
110 |
80 |
70 |
150 |
110 |
|||
50 |
460 |
390 |
390 |
340 |
340 |
280 |
240 |
190 |
150 |
150 |
120 |
190 |
150 |
||||
55 |
510 |
430 |
430 |
370 |
360 |
300 |
250 |
190 |
150 |
150 |
190 |
150 |
|||||
60 |
610 |
530 |
530 |
440 |
440 |
380 |
310 |
240 |
200 |
200 |
240 |
200 |
|||||
65 |
650 |
570 |
570 |
490 |
480 |
410 |
350 |
280 |
220 |
220 |
240 |
200 |
|||||
70 |
750 |
650 |
650 |
550 |
470 |
470 |
410 |
320 |
260 |
260 |
260 |
210 |
|||||
75 |
810 |
700 |
700 |
600 |
600 |
500 |
440 |
340 |
270 |
270 |
220 |
||||||
80 |
960 |
830 |
830 |
710 |
710 |
610 |
510 |
420 |
340 |
220 |
220 |
||||||
85 |
1020 |
870 |
870 |
760 |
760 |
640 |
550 |
450 |
360 |
300 |
240 |
||||||
90 |
1110 |
970 |
970 |
840 |
840 |
720 |
620 |
500 |
420 |
280 |
280 |
||||||
95 |
1160 |
1010 |
1010 |
870 |
870 |
740 |
640 |
510 |
360 |
280 |
|||||||
100 |
1380 |
1210 |
1210 |
1060 |
1060 |
910 |
780 |
650 |
360 |
280 |
|||||||
105 |
1430 |
1250 |
1250 |
1100 |
1100 |
940 |
820 |
690 |
400 |
300 |
|||||||
110 |
1580 |
1390 |
1390 |
1220 |
1220 |
1070 |
920 |
770 |
460 |
340 |
|||||||
115 |
1660 |
1470 |
1470 |
1280 |
1280 |
970 |
810 |
680 |
470 |
360 |
|||||||
120 |
1880 |
1680 |
1680 |
1480 |
1480 |
1290 |
1130 |
950 |
560 |
450 |
|||||||
125 |
1910 |
1690 |
1690 |
1490 |
1490 |
1140 |
970 |
810 |
|||||||||
130 |
2170 |
1920 |
1920 |
1710 |
1710 |
1510 |
1320 |
1140 |
1 Pole class definitions taken from American National Standard specifications and dimensions for wood poles as approved August 7, 1976, under American National Standard Institute, Inc. codified ANSI 05.1-1972.
2 Piling class definitions as per American Society for Testing and Materials for "round timber piles." As the designation: D 25-58 (reapproved 1964).
Amended by WSR 19-02-068, Filed 12/28/2018, effective 1/1/2019
Statutory Authority: RCW 82.32.300, 82.01.060(2), 84.33.096, and 84.33.091. 12-14-065, § 458-40-680, filed 6/29/12, effective 7/1/12. Statutory Authority: RCW 82.32.300, 82.01.060(2), and 84.33.096. 06-02-007, § 458-40-680, filed 12/22/05, effective 1/22/06; 05-08-070, § 458-40-680, filed 3/31/05, effective 5/1/05; 03-22-099, § 458-40-680, filed 11/5/03, effective 12/6/03. Statutory Authority: RCW 82.32.300 and 84.33.096. 00-24-068, § 458-40-680, filed 12/1/00, effective 1/1/01. Statutory Authority: RCW 82.32.330, 84.33.096 and 84.33.120. 96-02-056, § 458-40-680, filed 12/29/95, effective 1/29/96. Statutory Authority: RCW 82.32.300 and 84.33.096. 95-14-084, § 458-40-680, filed 6/30/95, effective 7/31/95. Statutory Authority: Chapter 84.33 RCW. 87-02-023 (Order 86-4), § 458-40-680, filed 12/31/86.