For help with this, contact a service port of entry near you. Ask to speak with a CBP import specialist assigned to the product you are importing. Import specialists can provide you with product specific requirements, advisory duty rates, answer your questions about filing an entry, and can assist you with preparing and filing the required paperwork. You can locate a port of entry and its contact information by visiting the CBP’s website. You should be aware of any entry requirements specific to the particular product you are importing, including those of federal agencies besides CBP.