Period Control for Half Year/Full Year Convention 
Contrary to SAP terminology, the expression half year/full year convention has an additional meaning in Korea. If an asset belongs to a company less than a half a year, then 6 months of depreciation is posted. If the asset belongs to a company more than 6 months, then 12 months of depreciation is posted.

Acquisition date |
Retirement date |
depreciation months |
Feb. 10 |
Aug. 10 |
6 |
Feb. 10 |
Aug. 15 |
6 |
Feb. 10 |
Sept.1 |
12 |
Feb. 1 |
Aug. 1 |
6 |
Feb 1 |
Aug. 2 |
6 |
Feb 1 |
Sept. 1 |
12 |
Nov. 15 |
Jan. 5 |
Acquisition and retirement within different fiscal years; therefore, rule does not apply. |
The period control ‘15’ was created for Korea. Assign this period control to the depreciation keys.