reveal systematic irregularities in the use of declarations of origin, the Community may subject imports of the products in question to the provisions of Article 2 (1) of this Protocol. 5. For the purpose of subsequent verification of certificates of origin, copies of the certificates as well as any export documents referring to them shall be kept for at least a period of three years by the competent governmental authority in Bulgaria. 6. Recourse to the random verification procedure specified in this Article must not constitute an obstacle to the release for home use of the products in question. Article 211. Where the verification procedure referred to in Article 20 or where information available to the Community or to Bulgaria indicates or appears to indicate that the provisions of this Agreement are being contravened, both parties shall cooperate closely and with the appropriate urgency to prevent such contravention. 2. To this end, Bulgaria shall, on its own initiative or at the request of the Community, carry out appropriateenquiries or arrange for such enquiries to be carried out concerning operations which are or appear to the Community to be in contravention of this Agreement. Bulgaria shall communicate the results of these enquiries to the Community together with any other pertinent information enabling the true origin of the goods to be determined. 3. By agreement between the Community and Bulgaria officials designated by the Community may be present at the enquiries referred to in paragraph 2. 4. In pursuance of the cooperation referred to in paragraph 1, Bulgaria and the Community shall exchange any information considered by either partner to be of use in preventing the contravention of the provisions of this Agreement. These exchanges may include information on textile production in Bulgaria and on trade in textile products of a kind covered by this Agreement between Bulgaria and other countries, particularly where the Community has reasonable grounds to consider that the products in question may be in transit across the territory of Bulgaria prior to their importation into the Community. This information may include at the request of the Community copies of available relevant documentation. 5. Where it is established that the provisions of this Agreement have been contravened, Bulgaria and the Community may agree to take such measures as are necessary to prevent a recurrence of such contravention. SPA:L333UMBE09.95FF: 3UEN; SETUP: 01; Hoehe: 1850 mm; 336 Zeilen; 15464 Zeichen; Bediener: HELM Pr.: C; Kunde: ................................ PROTOCOL B 1. The exemption provided for in Article 3 (1) of the Agreement in respect of cottage industry products shall apply only to the following products: (a) fabrics woven on hand- or foot-operated looms, being fabrics of a kind traditionally made in the cottage industry of Bulgaria; (b)garments or other textile articles of a kind traditionally made in the cottage industry of Bulgaria obtained manually from the fabrics referred to above and sewn exclusively by hand without the aid of any machine; (c)traditional folklore textile products made by hand in the cottage industry of Bulgaria as defined in a list to be agreed between both Parties. Exemption shall be granted only for products accompanied by a certificate issued by the competent Bulgarian authorities in accordance with the model annexed to this Protocol. Such certificates must state the grounds on which exemption is based and shall be accepted by the competent Community authorities provided that they are satisfied that the products concerned conform to the conditions set out in this Protocol. Certificates for the products referred to in paragraph (c) must be clearly marked 'FOLKLORE'. In the event of a difference of opinion between Bulgaria and the competent Community authorities at the point of entry into the Community concerning the nature of products, consultation shall be held within a month in order to settle the difference. Should imports of any of the above products reach such proportions as to cause difficulties to the Community, the two Parties shall open consultations forthwith in accordance with the procedure laid down in Article 14 of the Agreement with a view to finding a quantitative solution to the problem. 2. The provisions of Titles IV and V of Protocol A shall be applied mutatis mutandis to the products referred to in paragraph 1.SPA:L333UMBE10.94FF: 3UEN; SETUP: 01; Hoehe: 254 mm; 28 Zeilen; 1934 Zeichen; Bediener: HELM Pr.: C; Kunde: PROTOCOL C The annual growth rate for the quantitative limits introduced under Article 7 of the Agreement shall be determined as follows: (a) For products in categories falling within Group I the