Key facts
Code summary
Code 5310
Official title Postal activities
Version PSIC 2019
Source layer PSA / BSP
Parent 531 - Postal activities
Section H - Transportation and Storage
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PSIC 2019 Navigation-first hub Class 5310 - Postal activities
PSIC Class 5310 covers Postal activities. Current child subclasses include Postal Activities. This four-digit layer is useful when comparing neighboring activities before landing on the five-digit subclass most closely...
Next step
Child codes
These are the next codes most users should open after this hub page.
About this level
Practical summary
Class 5310 sits in the PSIC 2019 hierarchy under H Transportation and Storage > 53 Postal and Courier Activities > 531 Postal activities. This class usually fans out into more specific subclasses such as Postal Activities. It is the level people use when they already know the activity family but still need the exact five-digit match.
Administrative context
Where this code is used
This class is used when a business can already narrow the activity family and only needs to compare the final subclasses such as Postal Activities. It is the level most often checked before a five-digit decision is finalized.
Selection note
How to choose it
Use this class to choose between its final subclasses such as Postal Activities. If two options look close, compare the exact activity, the outputs and the way the business actually earns revenue.
Official note
Source-backed description
This class includes: Pickup, sorting, transport and delivery (domestic or international) of letter-post and (mail-type) parcels and packages by postal services operating under a universal service obligation. One or more modes of transport may be involved and the activity may be carried out with either self-owned (private) transport or via public transport. Collection of letter-mail and parcels from public letter-boxes or from post offices Distribution and delivery of mail and parcels This class excludes postal giro, postal savings activities and money order activities, see 6419.
FAQ
What does PSIC Class 5310 cover?
PSIC Class 5310 is the four-digit layer that sits just above the final subclasses and usually defines the activity family for Postal activities.
How do I compare Class 5310 with the sibling classes?
Read the neighboring classes and compare the exact wording of the child subclasses. Nearby options include nearby sibling codes.
Why does Class 5310 matter for a filing decision?
It is usually the last broad checkpoint before the five-digit subclass choice, so it is the right place to catch near-miss classifications.