Global Rules a dit :

• All map codes must be submitted with the following format:

For category 1: Cat1@xxxxx
For category 2: Cat2@xxxxx
For category 3: Cat3@xxxxx
For category 4: Cat4@xxxxx

Where @xxxxx should be replaced with your map code.
For example, If you want to enter category 2, your map must be submitted with the following form:
Cat2@xxxxx