2. The national flag of the sending State may be flown and its coat-of-arms displayed on the building occupied by the consular post and at the entrance door thereof, on the residence of the head of the consular post and on his means of transport when used on official business. 3. In the exercise of the right accorded by this article regard shall be had to the laws, regulations and usages of the receiving State. Article 30 Accommodation 1. The receiving State shall either facilitate the acquisition on its territory, in accordance with its laws and regulations, by the sending State of premises necessary for its consular post or assist the latter in obtaining accommodation in some other way. 2. It shall also, where necessary, assist the consular post in obtaining suitable accommodation for its members. Article 31 Inviolability of the consular premises 1. Consular premises shall be inviolable to the extent provided in this article. 2. The authorities of the receiving State shall not enter that part of the consular premises which is used exclusively for the purpose of the work of the consular post except with the consent of the head of the consular post or of his designee or of the head of the diplomatic mission of the sending State. The consent of the head of the consular post may, however, be assumed in case of fire or other disaster requiring prompt protective action. 3. Subject to the provisions of paragraph 2 of this article, the receiving State is under a special duty to take all appropriate steps to protect the consular premises against any intrusion or damage and to prevent any disturbance of the peace of the consular post or impairment of its dignity. 4. The consular premises, their furnishings, the property of the consular post and its means of transport shall be immune from any form of requisition for purposes of national defence or public utility. If expropriation is necessary for such purposes, all possible steps shall be taken to avoid impeding the performance of consular functions, and prompt, adequate and effective compensation shall be paid to the sending State. Article 32 Exemption from taxation of consular premises 1. Consular premises and the residence of the career head of consular post of which the sending State or any person acting on its behalf is the owner or lessee shall be exempt from all national, regional or municipal dues and taxes whatsoever, other than such as represent payment for specific services rendered. 13