How will you ensure that any stocks of stationery or stationery received but not distributed are protected from unauthorised access?

There are a number of options

Some can be delivered in sealed baskets or crates with a "tie" which has a predetermined security code on it the tie would have to be broken to access the content. Others can arrive in a sign for delivery by addressee only clause where the stock is sealed up and the delivery note inside shows content when opened - you would need to secure the shipping case with a lock after. |IT actually dependant on what the value of the stationary is and if it practicable to pay extra for higher security measures.