GL Codes are commonly abbreviated to the form ####-####, but to make this completely clear for Finance/Payroll, we use a full 15-digit code.
The complete 15 digit number is in the form 0# 01 ########00#, where
So unless you're posting a job for TWUSA, TWUGSA, or ACTS, you can probably convert your #### #### into the 15-digit code like this:
01 01 #### #### 000