Single Fiscal Year Variant can be assigned for multiple company codes. The link between Fiscal Year Variant and Company Code is established through the assigning Company Code to Fiscal Year Variant.
Path for Assign Company Code to Fiscal Year Variant
SPRO > Implementation Guide for R/3 Customizing (IMG) –> Finance Accounting –> Finance Accounting Global Settings –> Fiscal Year –> Assign Company Code to Fiscal Year variant
Transaction Code for Assign Company Code to Fiscal Year Variant
T Code > OB37
Assign Company Code to Fiscal Year Variant Configuration Steps :-
Step 1:- Type SPRO in the Command Field of the SAP Easy Access Menu Screen and press enter key on the Keyboard.
Step 2 :- Click SAP Reference IMG Icon.
Step 3 :- In next screen follow the Path Assign Company Code to Fiscal Year Variant
Step 4 :– Click Position 
Step 5 :- After selecting position, update the company code and press enter
Step 6 :– In next screen Update fiscal year variant field for the required Company Code and Press enter on the keyboard.
Step 7 :- Click the Save Icon located at the upper left corner of the screen to save the updated data.
Thus Company Code AD06 is successfully assigned to Fiscal year Variant AD.
