Moscow 1991 103 instruments. Such measures will neither go further nor remain in force longer than strictly required by the exigencies of the situation; they are by nature exceptional and should be interpreted and applied with restraint. Such measures will not discriminate solely on the grounds of race, colour, sex, language, religion, social origin or of belonging to a minority. (28.8) The participating States will endeavour to ensure that the legal guarantees necessary to uphold the rule of law will remain in force during a state of public emergency. They will endeavour to provide in their law for control over the regulations related to the state of public emergency, as well as the implementation of such regulations. (28.9) The participating States will endeavour to maintain freedom of expression and freedom of information, consistent with their international obligations and commitments, with a view to enabling public discussion on the observance of human rights and fundamental freedoms as well as on the lifting of the state of public emergency. They will, in conformity with international standards regarding the freedom of expression, take no measures aimed at barring journalists from the legitimate exercise of their profession other than those strictly required by the exigencies of the situation. (28.10) When a state of public emergency is declared or lifted in a participating State, the State concerned will immediately inform the CSCE Institution* of this decision, as well as of any derogation made from the State’s international human rights obligations. The Institution will inform the other participating States without delay. (29) The participating States, recognizing their common interest in promoting contacts and the exchange of information amongst Ombudsmen and other institutions entrusted with similar functions of investigating individual complaints of citizens against public authorities, note with appreciation an offer by Spain to host a meeting of Ombudsmen. (30) The participating States suggest that the appropriate CSCE fora consider expanding the functions of the Office for Free Elections to enable it to assist in strengthening democratic institutions within the participating States. (31) The participating States acknowledge the extensive experience and expertise of the Council of Europe in the field of human rights. They welcome its contribution to strengthening democracy in Europe, including its readiness to make its experience available to the CSCE. III (32) The participating States reaffirm their enduring commitment to the principles and provisions of the Final Act, the Vienna Concluding Document, and other relevant CSCE documents in which they undertook, inter alia, to respect human rights and fundamental freedoms and to ensure that they are guaranteed for all without distinction of any kind. (33) The participating States will remove all legal and other restrictions with respect to travel within their territories for their own nationals and foreigners, and with respect to residence for those entitled to permanent residence, except those restrictions which may be necessary *  The Council will take the decision on the institution.