01 : Straight line
02 : 125% declining balance
03 : 150% declining balance
04 : 175% declining balance
05 : 200% declining balance
10 : Sum of years digits
11 : Units of production
12 : Machine hour
13 : Income forecast
20 : ACRS 3,5,10,15 
21 : ACRS 15 yr realty
22 : ACRS 15 yr low income
23 : ACRS 18 yr realty
24 : ACRS 19 yr realty
25 : ACRS Straight line
26 : ACRS 150% declining bal.
30 : MACRS
31 : MACRS - mid quarter
40 : ADS Straight Line
41 : ADS 150% declining bal.
42 : ADS 40 yr realty
50 : Auto - ACRS
51 : Auto - MACRS
52 : Auto - Straight line
