5. They shall not become involved in situations, activities or interests incompatible with their responsibilities, and shall refrain from intervening in affairs involving issues that could affect their objectivity. 6. They shall not accept gifts beyond those of normal social courtesy, nor favours or services under advantageous terms which could condition the fulfilment of their duties. In the case of gifts with greater institutional relevance, these shall become property of the corresponding Public Administration. 7. They shall carry out their duties with transparency. 8. They shall appropriately manage, protect and preserve public resources, which may not be used for activities that are not permitted by the applicable laws. 9. They shall not use their position in the Administration to obtain personal advantages or material gain. 3. The principles established in this Article shall form a basis for the interpretation and application of the sanctions system regulated in this Title. Article 27. Conflicts of interest: infractions and sanctions. Any violation of the rules on conflicts of interest or the statements to be made by the individuals falling within the scope of this Title shall be sanctioned pursuant to the legislation on conflicts of interest in the Central State Administration and, where the case may be, the legislation applicable to the other Administrations. Article 28. Infractions in financial and budgetary management. It constitutes a very serious infraction to be found guilty of: a) Causing the unexplained absence of an amount of a public fund under one’s management when the acts cannot be subsumed under any of the infractions described in the points below. b) Failing to adhere to the legal provisions governing Treasury settlements, collections or deposits in the management of Treasury resources and other rights. c) Committing to an expense, recognizing an obligation, or ordering a payment without sufficient credit or in breach of the terms of Act 47/2003 of 26 November, on Budgeting, the annual Budget Act, or other applicable budgetary legislation. d) Failing to conduct a prior audit—where mandatory—of expenses, obligations or payments, or failing to conduct the procedure for settling discrepancies when the verdict from said audit includes a qualification with suspensive effect, pursuant to budgetary legislation. e) Failing to justify the investment of any of funds covered by Articles 78 and 79 of Act 47/2003 of 26 November, on Budgeting, or, as the case may be, equivalent budgetary legislation in the case of Administrations other than the Central State Administration. 22