PSS
Charges & surchargesPeak Season Surcharge
A surcharge carriers add when demand is high, typically before Christmas and Chinese New Year.
In practice
Announced with 30 days' notice on most trades. It can be withdrawn or extended. Spot rates during peak season often already include it.
Seen in the wild
PSS USD 500 per 40' from 1 Aug to 31 Oct on Transpacific.