Process payment transactions within a vehicle parts environment

Business Sectors (Suites): Vehicle Parts Operations
Developed by: IMI
Approved on: 30 Mar 2023


This standard is about the calculation of the cost of parts and processing both cash and other forms of payment, including credit and debit card payments, account payments and credit transfers. You are expected to be able to use the relevant point of sale equipment and be aware of and able to deal with, instances of potential fraud.

For this standard parts may be new, refurbished or recycled.

Performance criteria

You must be able to:

P1 accurately identify the price of items  
P2 promptly resolve any problems in pricing parts by using the sources of information at your disposal 
P3 correctly calculate the total price of the transaction  
P4 clearly and accurately inform customers of the amount due 
P5 confirm the cash amount given by your customer and the change you give them, if relevant 
P6 securely verify the identity of account holders following your organisation's procedures prior to debiting their account 
P7 gain authorisation for accepting non-cash payments and processing account debits when the value of the order exceeds the limit you are able to authorise 
P8 politely inform the customer when authorisation for payment cannot be obtained for non-cash transactions 
P9 clearly and accurately complete and process all documentation required 
P10 store payments securely and protect them from theft 
P11 ensure you are courteous to customers at all times 
P12 balance the need to give attention to individual customers whilst ensuring that others are not left without attention

Knowledge and Understanding

You need to know and understand:

*Legislative and organisational requirements and procedures *
K1 current relevant legislation, regulations, codes of practice and guidelines relating to processing payment transactions 
K2 how to identify and check prices in your own parts operation 
K3 how to get information and advice to deal with pricing problems 
K4 how to identify current discounts and special offers (e.g. campaigns and promotions) 
K5 how to keep cash, other payments and customer data safe and secure 
K6 how to check for and identify counterfeit payments 
K7 how to check for stolen credit cards, charge cards or debit cards 
K8 how to balance giving the correct amount of attention to individual customers whilst maintaining a responsibility towards other customers in busy trading periods 
K9 how to deal with customers when authorisation cannot be obtained for their non-cash payments 
K10 common methods of calculating payments, including the use of point of sale equipment and manual calculations 
K11 acceptable methods of payment and the payment process, including customer credit checks, in line with legal requirements
K12 your organisation's systems and procedures for: 

K12.1 authorising non-cash 
K12.2 verifying account holders and booking purchases to customer accounts 
K12.3 calculating and taking payments 
K12.4 dealing with suspected fraud 
K12.5 completing and processing documentation 
K13 the value and importance of customer service to effective trading operations 
K14 the limits of your authority for processing payments 
K15 the types of transaction errors that can occur and the consequences of failure to report errors


Scope Performance

Scope Knowledge






This section contains examples and explanations of some of the terms used but does not form part of the standard.*

These are motor vehicle parts (new, refurbished or recycled), any accessories and consumables

Sources of information

  • Parts lists and other relevant parts information stored on manual or computerised parts information systems, including parts identification systems, parts location systems, parts ordering systems. 
  • Customer feedback, staff comments, records and reports, your own observations

Links To Other NOS

External Links

Version Number


Indicative Review Date

30 Mar 2026





Originating Organisation


Original URN


Relevant Occupations

Vehicle Parts Operative, Vehicle Parts Assistant, Vehicle Parts Advisor

SOC Code



Vehicle; parts; process; payment; transactions;