The *advanced settings* in the warehousing section of *order import* settings allow you to configure the following:
1. **Default Carrier**: This dropdown allows you to assign a default carrier to your orders.
2. **Default Ship Service**: This dropdown allows you to assign a default shipping service to your orders.
3. **Map Shipping Service by Country**: This field allows you to map specific ship services to orders based on the country they are being shipped to.
4. **Default Shipping Terms**: This dropdown allows you to assign a default shipping term to your orders.
5. **Split Orders to Locations**: Enabling this option will split orders to locations defined till the inventory can be fully allocated for all lines.
6. **Sync Returns Before Integration Start Data**: Enabling this option brings in returns (created after the integration start date) from orders that were created before the integration start date. All such returns are dropped as credits in the system.
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