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      General terms and conditions

      Article 1. Definitions
      In these general terms and conditions:

      • Practice: Quadrivas Clinic Koiter & de Jong, a partnership (maatschap) of Nicolette Koiter (Hoogeveenseweg 46, 7933 PG Pesse, the Netherlands) and Jeanine de Jong (Weerwilleweg 13, 7958 RV Koekange, the Netherlands), registered with the Netherlands
      • Chamber of Commerce (KvK) under number 85496731, e-mail info@quadrivaskoiterdejong.nl.
      • Therapist: the Quadrivas therapist of the practice who treats you.
      • Client (you): the person treated by the therapist, or his or her legal representative.
      • Treatment agreement: the agreement between you and the practice concerning your treatment, as referred to in the Dutch
      • Medical Treatment Contracts Act (Wet op de geneeskundige behandelingsovereenkomst, WGBO; Article 7:446 et seq. of the Dutch Civil Code).
        Treatment: all acts performed by the therapist as part of Quadrivas Therapy, including the intake, treatments and advice.

      Article 2. Applicability

      1. These terms apply to all appointments, treatments and treatment agreements between you and the practice.
      2. We send or hand you these terms before or at your first appointment. They are also available at www.quadrivashoogeveen.nl.
      3. Where these terms deviate from the WGBO or other mandatory legislation, the law prevails. The rights granted to you by the WGBO cannot be deviated from to your detriment.
      4. If a provision is invalid, the remaining provisions remain in force. We will then replace the invalid provision with one that comes as close as possible to its original intent.

      Article 3. The treatment agreement

      1. The treatment agreement is concluded as soon as you make an appointment and the therapist confirms it, or at the latest when the first treatment begins.
      2. The first appointment is an intake. During the intake, the therapist discusses your complaints, your health and any reasons not to treat you (contraindications). On that basis, the therapist decides whether Quadrivas Therapy is suitable for you.
      3. The therapist explains in clear language what the treatment involves, what you can expect, what risks and side effects there are (for example bruising or temporary pain after treatment) and what it costs.
      4. Treatment only takes place with your consent. You may withdraw your consent at any time, including during a treatment.
      5. Minors. For children under 12, consent is given by the parents or guardian. Between 12 and 16, consent is required from both the child and the parents or guardian. From the age of 16, the client decides for themselves.
      6. Quadrivas Therapy is a complementary form of treatment and not a substitute for conventional medical care. The therapist does not make medical diagnoses and will not advise you to stop prescribed medication or medical treatment.

      Article 4. What you can expect from the therapist

      1. The therapist acts as a good care provider. She works carefully, in accordance with the professional standard of Quadrivas Therapy and the code of conduct and quality requirements of the professional association BATC.
      2. The practice complies with the Dutch Quality, Complaints and Disputes in Healthcare Act (Wet kwaliteit, klachten en geschillen zorg, Wkkgz). We systematically monitor and improve the quality of our care, learn from incidents and have a complaints procedure (see Article 12).
      3. The therapist makes every effort to reduce your complaints but cannot guarantee a result. Every body responds differently.
      4. On request, we provide information about our rates, the quality of our care, waiting times and whether the treatment is scientifically substantiated.
      5. If the therapist notices that your complaints fall outside her expertise, or that treatment would not be responsible, she will stop or adjust the treatment and advise you to contact your general practitioner or another care provider.
      6. The therapist is affiliated with BATC and has professional liability insurance.

      Article 5. What we expect from you

      1. To the best of your knowledge, you give the therapist all information needed for safe treatment, such as your health complaints, conditions, medication, pregnancy, recent surgery and ongoing medical treatment.
      2. If anything changes in your health or medication, you report this before the next treatment.
      3. You follow the therapist's advice as well as you can, or let her know if you do not.
      4. You treat the therapist with respect. In the event of aggressive or inappropriate behaviour, the therapist may stop the treatment immediately.

      Article 6. Appointments, absence and cancellation

      1. If you cannot attend, cancel your appointment at least 48 hours in advance, by phone or e-mail to your own therapist.
      2. If you cancel later or do not attend, we may charge 50% of the rate for that appointment. Health insurers do not reimburse these costs.
      3. We do not charge anything if you were unable to attend or cancel due to circumstances beyond your control (force majeure), such as a sudden hospital admission or an accident. We also charge nothing if we can give the freed-up time to another client.
      4. If you are late, the time is deducted from your treatment time. You pay the full rate.
      5. If the therapist needs to reschedule an appointment, for example due to illness, she will let you know as soon as possible and make a new appointment with you. This involves no extra cost for you.

      Article 7. Rates, payment and reimbursement

      1. Our current rates are listed at our website under frequently asked questions and are discussed with you before the first treatment. Our rates are exempt from VAT.
      2. We may adjust our rates once a year, as of 1 January. We will announce this at least one month in advance. A rate change does not apply to treatments you have already paid for.
      3. You pay immediately after the treatment via a payment request, or at the latest within 14 days of the invoice date.
      4. If you do not pay on time, we will send you a payment reminder with a new payment term of 14 days after receipt. The reminder also states the collection costs we will charge if you still do not pay. These costs never exceed the statutory maximum (Dutch Extrajudicial Collection Costs Decree, Besluit vergoeding voor buitengerechtelijke incassokosten). From the end of that term, we may also charge statutory interest.
      5. Reimbursement by your health insurer. You receive an invoice that meets Dutch health insurers' requirements, stating the AGB codes of the practice and the therapist. Whether and how much is reimbursed depends on your supplementary insurance. This is your responsibility; we advise you to check with your insurer beforehand. You always pay the invoice to us yourself, even if your insurer reimburses nothing or only part of it.

      Article 8. Client file and privacy

      1. The therapist keeps a client file, as required by the WGBO. The file is kept for 20 years from the date of the last change, unless longer retention is necessary.
      2. You may inspect your file, receive a free copy, have your own statement added and request its destruction, within the limits of the law.
      3. We handle your personal data in accordance with the General Data Protection Regulation (GDPR; in Dutch: AVG). How we do so is described in our privacy statement. 

      Article 9. Confidentiality

      1. The therapist has a statutory duty of confidentiality. She does not share information about you with others, including your general practitioner, partner or family, without your express consent.
      2. This may only be deviated from if required by law, or in an exceptional situation in which remaining silent could cause serious harm to you or another person.

      Article 10. Liability

      1. Liability of the practice. The practice is liable for damage resulting from a shortcoming in the treatment that is attributable to the practice or the therapist, or for which the practice is liable by law. Insofar as the Dutch Medical Treatment Contracts Act (WGBO) applies, this liability is not limited or excluded.
      2. Professional liability insurance. The therapist has professional liability insurance through the professional association BATC. The cover provided by this insurance depends on the applicable policy conditions. This does not limit the statutory liability.
      3. Responsibility of the client. The client is responsible for providing, to the best of their knowledge, correct and complete information about their state of health, medication and other circumstances that may affect the treatment. Any changes must be reported in good time. If damage is partly caused by incorrect or incomplete information or by not following treatment advice, this may be taken into account in assessing liability in accordance with the statutory rules. The therapist's professional duty of care remains in force.
      4. Treatment reactions. Manual treatments may cause temporary physical reactions, such as muscle pain, tenderness, redness, bruising or fatigue. The therapist informs the client in advance about the reactions that can reasonably be expected and the relevant risks of the treatment. A treatment reaction does not automatically mean that there has been a lack of due care. The therapist remains responsible for carrying out the treatment carefully and safely. In the event of unexpected, serious or persistent complaints, the client is advised to contact the practice and, if necessary, seek medical help.
      5. Treatment results. The therapist carries out the treatments to the best of her insight and ability and has an obligation of effort, not of result. Because treatment results depend on individual circumstances, no guarantee can be given of a specific result or of a complete reduction of complaints. The absence of the desired result does not in itself mean that there has been a shortcoming in the treatment.
      6. Personal belongings. The client is asked to take care of personal belongings brought to the practice. The practice is liable for loss of or damage to these belongings insofar as this can be attributed to the practice under the applicable statutory rules.
      7. Reporting damage. If the client experiences or suspects damage as a result of a treatment, they are asked to report this to the practice as soon as possible. The report will be investigated carefully and, where necessary, settled in consultation with the liability insurer. The client's statutory rights remain fully in force.

      Article 11. Ending the treatment

      1. You may end the treatment agreement at any time. Appointments you do not cancel in time are subject to Article 6.
      2. The therapist may only end the treatment agreement for compelling reasons. Examples are a contraindication that makes safe treatment impossible, aggressive or inappropriate behaviour, or a breach of trust that makes further treatment irresponsible.
      3. If the therapist ends the treatment, she explains why. Where necessary, she helps you find another care provider.

      Article 12. Complaints and disputes

      1. If you are dissatisfied with anything, please discuss it with your therapist first. We take every complaint seriously.
      2. The practice has a complaints procedure in accordance with the Wkkgz. Through BATC, we are affiliated with an independent complaints officer and with a recognised disputes body: CAMCoop.
      3. The complaints officer can help you formulate your complaint free of charge and can mediate. You may also submit your complaint to us in writing. You will then receive a written decision within six weeks. This period may be extended by up to four weeks; we will inform you of this in advance.
      4. If you are not satisfied with how your complaint was handled, you may submit it to the disputes body, which issues a binding decision.
      5. The full complaints procedure is available (in Dutch) and on request.

      Article 13. Applicable law and amendments

      1. These terms and all treatment agreements are governed by Dutch law.
      2. We may amend these terms. An amendment applies to new appointments from the moment we publish the new version. We will inform existing clients personally.
      3. These terms were adopted on 3 November 2026 and apply from that date.

      Article 14. Language and interpretation

      1. These general terms and conditions were drawn up in Dutch. This English version is a translation, provided for information only.
      2. In the event of any difference between the Dutch text and this translation, or any doubt about its interpretation, the Dutch text prevails.
      3. In the event of a complaint or dispute, only the Dutch text is binding. It is interpreted and applied in accordance with Dutch law and regulations.