Public notice - Notice of the initiation of the procedure for issuing amendments to Z 3129/12, Z 3134/12, Z 3137/12, Z 3140/12, Z 3141/12, Z 3144/12, Z 3145/12, Z 3146/12, Z 3147/12, Z 3149/12, Z 3154/12, Z 3155/12, Z 3157/12, Z 3159/12, Z 3160/12, Z 3162/12, Z 3163/12, Z 3165/12, Z 3166/12, Z 3171/12, Z 3172/12, Z 3174/12, Z 3178/12, Z 3180/12 and Z 3181/12