source: src/main/resources/templates/chooseRepairShop.html

<div>
  <h1 th:if="${hasError}" th:text="${error}"></h1>
  <div th:if="${!hasError}">
  <h3 class="mt-3 mb-3">Достава до овластен сервис</h3>
  <form class="form-signin mt-xl-5" method="post" action="/part/chooseRepairShop">
    <p>
      <label for="rs" class="sr-only">Избор на сервис</label>
      <select id="rs" required name="rs">
        <option  th:each="aut : ${authorized}"
                 th:text="${aut.getName()}"
                 th:value="${aut.getId()}">
        </option>
      </select>
    </p>
    <button class="btn btn-lg btn-primary btn-block" type="submit">Достава до сервис</button>
  </form>
  </div>
</div>