Official Controls Qualification
(Animal Health Paraprofessional) OCQ(AHP)

You are here:  Home > Qualification > Approved Tuberculin Tester Qualification

OCQ(AHP) - ATT (Approved Tuberculin Tester)

The Approved Tuberculin Tester course provides the training required for a paraprofessional to conduct TB skin testing under the direction of an Approved Veterinary Supervisor (AVS). 

The minimum requirements for registration for the Approved Tuberculin Tester (ATT) course are:

  • to be employed to work in England or Wales (ATTs will not be authorised in Scotland)
  • to have a minimum of six months' cattle handling experience; and either
  • (a) three GCSEs or equivalent qualifications in English, mathematics, and a science or food production subject OR (b) three years' performance in a government regulatory role, e.g. Local Authority Inspector or Environmental Health Officer.

If you can't meet these entry requirements but consider that you have alternative relevant qualifications please email with your details. These will be forwarded to the relevant APHA Course Director for consideration.

The ATT course covers:

  1. Working on behalf of the Government
  2. The legal basis for the control of TB in England and Wales
  3. TB control measures used in England and Wales
  4. How to carry out TB testing on cattle in full compliance with APHA (Animal and Plant Health Agency) Tuberculosis Testing Instructions and Standard Operating Procedures
  5. How to correctly identify all test reactions (and other suspicious signs of disease) at each TB test undertaken and refer to an AVS for interpretation according to the Tuberculosis Testing instructions issued by APHA
  6. How to initiate and complete post TB test procedures for cattle appropriate to the results and as required by APHA
  7. How to complete and process official TB paperwork and certification for cattle in compliance with both legal and APHA requirements

The qualification requires each candidate to complete the following phases:

  • Study the online course
  • Pass the end of course exam
  • Receive conditional authorisation from APHA
  • Nominate an Approved Veterinary Supervisor (AVS)
  • Practical TB testing under the direct and continuous supervision of the AVS until all practical training requirements have been achieved
  • Pass Practical Assessment with Improve International
  • Full authorisation by APHA to TB test under the direction of the AVS

ATTs with full authorisation will be required to:

  • Be audited by their AVS six months after passing their Practical Assessment
  • Revalidate their qualification after two years and from then on every four years.
  • Have random audits from the Veterinary Delivery Partnership, APHA or Improve International.


To study the ATT course you must first register in the AHP database. When you register you will be asked to nominate your employer or a representative of your employer who will confirm your right to work and eligibility for the qualification.

The person you nominate will receive an email asking them to confirm that the checks have been complete and that you fulfil the requirements. You will be notified by email when this confirmation has been made. You will then be able to log in and enrol on the ATT course.

Registration Fee

  • Registration for OCQ(AHP) courses - £59 plus VAT

There is a one-off fee for registration. Registration must be done on an individual basis and must be accepted before you can enrol and access the OCQ(AHP) courses. See the Registration information section for more details.

Enrolment Fees

  • OCQ(AHP) - ATT online course - £199 plus VAT
  • OCQ(AHP) - ATT Practical Assessment - £900 plus VAT (two-day assessment)

Payment for the OCQ(AHP) - ATT Practical Assessment can be made when you have passed the online exam and before you book the Practical Assessment. This payment can be made direct from your Personal Training Dashboard.

Retake Fees

  • OCQ(AHP) online exam retake - £49 plus VAT
  • OCQ(AHP) - ATT Practical Assessment retake - £900 plus VAT (two-day assessment)

Employers of 20 or more OVs and AHPs

Whilst it is required that each AHP registers individually, employers of 20 or more AHPs and OVs may apply, in advance, for group invoicing facilities. If your employer would like to apply for group invoicing facilities, please ask your accounts department to email Improve International. It takes up to two working days to set up this facility. If your employer already has a group invoicing facility they will provide you with a payment code to use when you are asked for payment at registration and enrolment. Your employer will be invoiced by Improve International for each use of their payment code.

How do I access the training?

The training is accessed via your own Personal Training Dashboard, once you are registered and enrolled on the course. The training can be done at a time to suit you, over more than one session and is followed by an invigilated, online, multiple choice exam.

How long does the training take?

The length of time it takes to complete the online course depends on your pace of study but will take in the region of ten hours for the OCQ(AHP) - ATT course.

Practical requirements for the OCQ(AHP) - ATT course

The OCQ(AHP) - ATT online course is followed by a period of TB testing under the direct and continuous supervision of your AVS. You will be given conditional authorisation by APHA, which allows you to start your practical training. You must wait for confirmation of your conditional authorisation from APHA before you start TB testing. When you have completed all the practical requirements of the course there is a Practical Assessment with an Improve International Assessor, which you must pass to be awarded your full qualification. The maximum period that you can hold conditional authorisation is six months but it is expected that you will have completed sufficient TB tests to take your Practical Assessment much sooner. Please see the Practical training for ATTs page for more details.

Authorisation by the APHA

The APHA will be notified automatically, through this website, that you have passed the exam and will process your authorisation for AHP status, a process which takes up to ten working days. You cannot start work while you are waiting for authorisation. Once your authorisation is granted, you will be notified by email and will be able to download your certificate of conditional authorisation from your Personal Training Dashboard.

Once authorised as a conditional ATT you will work under the direct and continuous supervision of your AVS until you have fulfilled all the testing requirements and completed your Practical Assessment. Please contact Improve International in good time to ensure there are no delays in arranging this. APHA require a further five working days, after passing your Practical Assessment, to award you your full ATT testing authorisation. During this time you may continue to test in the presence of your AVS.

When you have been awarded your full ATT authorisation you may test alone but under the direction of your AVS. You will be able to download your authorisation certificate from your Personal Training Dashboard.

Please see the Practical training for ATTs page for more details.

Latest updates

Animal Health Paraprofessional training

Welcome to the Improve AHP website.

Counts of AHPs/COs Authorised by APHA in GB

OV Training

For Official Veterinarian training visit

Independent, confidential and free help for everyone in the veterinary community.