If you want to allocate cost cetre to ledger in BUSY, you can follow these steps:
Step 1: First, you need to enable the Cost Centres feature by going to the Administration tab on the top menu bar and clicking on Configurations.
Step 2: Under Configurations, select Features / Options and then click on the Accounts tab. Here, you will find the Cost Centres option. Just click on the checkbox to turn it on and configure it as required.
Step 3: Now go back to Administration tab and click on Masters.
Step 4: Select Cost Centre and click on Add. Enter all the details such as Name, Group, etc and save.
Step 4: Next under Masters, select Account and then click on Modify. This will open a list of your accounts that you can choose from.
Step 5: Select the account that for that you want to assign cost centre and when you resave that a window appears for "Allocate Amount to Cost Centres" set it to Y to enable for that account.
Now, when you recording transaction you can allocate cost centres.