Create Requirement-Supplies/Expenses

For supplies and expenses, Requirements are created in the usual manner, except that the Item Type PO: Supplies (to expense) is to be selected. In this case, there is no reference to any existing item with a Product ID.

Click create after adding items

The requirement is created

The rest of the processes are similar to that for Fixed Assets.

Refer: Converting Requirement To Order

Refer: Receiving and Invoice Generation