Is it legal to charge storage fee for express delivery?

Storage fee refers to the expenses incurred during the storage of goods or materials. Such as warehouse, goods storage fee, port storage fee, railway temporary storage fee (lien fee), warehouse storage fee, warehouse dumping and drying fee, livestock feed fee, fire extinguishing equipment and materials fee, labor protection supplies fee, commodity maintenance fee, etc. It is legal to collect the storage fee for express delivery. According to the relevant management regulations of the courier company, in the case that the courier is stranded and exceeds the service period of the courier company, a certain storage fee can be charged to the customer, but it is necessary to coordinate and communicate with the customer to reach an agreement on the payment standard of the storage fee, otherwise it is illegal.