Tax Book Defaults

As soon as you enter the property type and the service date, the system provides a default depreciation method, estimated life, and ADS life. You can change these values. The following table summarizes the defaults.

Property Type	Service Date Entered	Method	Est.Life	ADSLife
P - Personal property general	Before 1981	SL	7	0
	1/1/81 - 12/31/86	AT	5	11
	1/1/87 - 9/10/01	MF200	7	10
	9/11/01 - 12/31/22	MA200	7	10
	1/1/23 and after	MF200	7	10
A - Automobile	Before 1981	SL	5	5
	1/1/81 - 12/31/86	AT	3	5
	1/1/87 - 9/10/01	MF200	5	5
	9/11/01 - 12/31/22	MA200	5	5
	1/1/23 and after	MF200	5	5
T - Light Trucks and Vans	9/11/01 - 12/31/22	MA200	5	5
	1/1/23 and after	MF200	5	5
Q - Personal property, listed	6/19/84 - 12/31/86	AT	5	11
	1/1/87 - 12/31/89	MF200	7	10
	1/1/90 - 9/10/01	MF200	7	10
	9/11/01 - 12/31/22	MA200	7	10
	1/1/23 and after	MF200	7	10
R - Real property, general	Before 1981	SL	40	40
	1/1/81 - 3/15/84	AT	15	40
	3/16/84 - 5/8/85	AT	18	40
	5/9/85 - 12/31/86	AT	19	40
	1/1/87 - 5/12/93	MF100	31.5	40
	5/13/93 and after	MF100	39	40
S - Real property, listed	6/19/84 - 5/8/85	AT	18	40
	5/9/85 - 12/31/86	AT	19	40
	1/1/87 - 5/12/93	MF100	31.5	40
	5/13/93 and after	MF100	39	40
C - Real property, conservation	Before 1981	SL	40	40
	1/1/81 - 3/15/84	AT	15	40
	3/16/84 - 5/8/85	AT	18	40
	5/9/85 - 12/31/86	AT	19	40
	1/1/87 - 5/12/93	MF100	31.5	40
	5/13/93 and after	MF100	39	40
E - Real property, energy	Before 1981	SL	40	40
	1/1/81 - 3/15/84	AT	15	40
	3/16/84 - 5/8/85	AT	18	40
	5/9/85 - 12/31/86	AT	19	40
	1/1/87 - 5/12/93	MF100	31.5	40
	5/13/93 and after	MF100	39	40
F - Real property, farms	Before 1981	SL	40	40
	1/1/81 - 3/15/84	AT	15	40
	3/16/84 - 5/8/85	AT	18	40
	5/9/85 - 12/31/86	AT	19	40
	1/1/87 - 5/12/93	MF100	31.5	40
	5/13/93 and after	MF100	39	40
H - Real property, low-income housing	1/1/81 - 12/31/86	AT	15	40
Z - Amortizable property	N/A	SF	15	0
V - Vintage account property	N/A	SD	7	0