norma nº 873/1980


	
 



 	
   !"!#$%&'()*+,+--./0-* 12342567486 92 69:8;81546<6= 	 >?@A@BCDCE@B FGHIJKLH MN OPQGRS TG QGOURVGOLWS G XYHLRPR UHZ[GS TW \JHTYW TG ]GKSWH^ TH ]YGPGRLJYH G TG WJLYHS _YWQRTGOURHS` a _YGPGRLW bJORUR_H^ TG cJYYHRS dWQWSe fSLHTW TW FRW gYHOTG TW dWYLGe OW JSW TG HLYRhJRZiGK ^GXHRSe ]HXW SHjGY kJG H cHVHYH TG lGYGHTWYGS H_YWQWJ G GJ SHO URWOW H SGXJROLG mGRn oYLe pZ q MS NrYQRTWYGS bJORUR_HRS cWOLYHLHTWSeWUJ_HOLG TWS GV_YGXWS UWOSLHOLGS TH c^HSSG sTW \JHTYW TG ]GSSWH^ TH ]YGPGRLJ YH bJORUR_H^ TG cJYYHRS dMlWSe _HSSHV H LGY WS YGS_GULRQWS SH^KYRWS YGHIJSLHTWS _HYH t lH^WY TW NH^HYRW bRORVW FGXRWOH^e PRuHTW _G^W vG UYGLW wGTGYH^ dxyz{|}~€ TG }~ TG vJLJhYW TG ~zz| oYL` ‚xyK t UWY_W TWUGOLG TW ƒl gYHJ TW bJORUR_RWe_HSSH H LGY tSSG JS SHp„Y…†tS UWV_ƒGVGWLHTW‡ Gˆ‰ {Š ‹ŒROkJGOLH_ Ž Œ GOLWeGˆ‰ TGUWYYKOURH TG cWOQGORW PRYVHTW UWV t _YWXYHVS TGoSKRSLrOURH TW fOSR OW bJORUR_H^ ]ofbe TH NGUYGLHYRH TG fTJUHXHW G cJ^LJYH TW fSLHTWe_K YH t k‘G PRUH H^WUHTGS YGUJYSWS WYRJOTWS TW bRWRSLKYRW TH fTJUHKKW G cJ^LJY`’` oYLK Z q MS TGVHRS NGYQRTWYGS UWOLYHLHTWS _GYUGjGYKW 
JV HitOW TG ‚\• QROLH _GY UGOLW^ H SGY WhSWYQRTW kJHOTW TH YGPWYVJ^H ZW TW \JHTYW TG ]GSSWH^ TH ]YGPGRLJYH` oYLK xyK PRUHV H_YWQHTWS WS kJHTYWS HOGuWS H _YGSGOLG mGR G kJG TGSL„ UWOSLRLJrV _HYLGS RWLGXYHOLGKe OJVGYHTHS TG ƒ H ƒl`


 	
 



 	
   ! "#$%&'(  )*)++,-.+ /012034254 60 467585/3249:; 	 <=>?@?ABCBD?A
EEFG HIJKKLM NOMPQPIL GRSTUUVUU WWWWWWWWWXWWWWXWWWWWWWXWWWWWWWWWWWWWXWWWWWWWWWWWWWWWWWWWWWWWWWWWWWX XWWWY GZS[UUVUU \PMJ]LM QL ELGJ^PL EL_JMIP`G RST[UVUU EEFT YJIMJ]`MPL QL aMJbJP]L RST[UVUU WWWWWWWWWXWXWXWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW
H\cFGUSG HKKPK]Jd]J HQ_PdPK]M`]PeL GTfgggV UU H\cFGUT hbPIP`Si QJ HQ_PdPK]MjiIkl`L mmm GGfUn[VUU HhcFGUo hbPIP`i QJ HQ_PdPK]M`Mk`L mm R T[UVUU H\cpVGU[ hbPIPjii QJSHQ_PdPK]MjiIkl`L m ZS[[UVUU H\cFqGUr HOsPiPjiM Qg HQ_PdPK]M`Ikl`L mmm nfr[UVUU H\cFGUn HOsPiPjiM QJ HQ_PdPK]M`Ikl`L mm H\cFtUZ HOsPGPjiM QJ HQ_PdPK]M`Ikl`L m u[ [rUVUU XWXWWXWXXWWWWWXWXXWWWWWXWWWWWWWXWWWWWWWWXXWWWWWWWWWWWWWWWXWW WXWWWWWWWWXW


 	
 



 	
    ! "#$%&'( ) *+*,,-./, 01231456375 81 5897:7043;5<=> ?@	 ABCDE DFGHGIDF JKLMNON PQR STUV STUT STUW STUX STUY PZZ[Z\]^\Z _] QN^\`a[b[_`_] ] R[^`^c`Z QN^\`_Nd Pef[b[`d VWghUUiUU VVgjkliUU jgTXUiUU kgXXUiUU Pef[b[`d _] QN^\`a[b[_`_] ] R[^`^c`Z PQR STUl YglXUiUU mmmmmmmmmmmmmmmmmmmnmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmnmmmmmmmmmmn mmmmmmmmmmmmmmmnmnmmmnnmmmnmmnmmmmmmmmmnmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmn opnNLKqPnPN or QPstr PRJ SWUV K^Zu]\Nd _] s]^_`Z Le^[v[u`[Z VTghhhiUU SWUT R[Zv`b _] s]^_`Z KKK VVgUlXiUU SWUW R[Zv`b _] s]^_`Z KK VUgVYTiUU SWUX R[JQ`b Le^[v[u`b KKK SWUY R[Zgv`b _]gs]^_`Z K jgTXUiUU SWUl R[Zv`b Le^[v[u`b KK jSTXUiUU SWUk R[Zv`b Le^[v[u`b K hgWXUiUU SWUh Pef[b[`d R[Zv`b KKK YglXUiUU SWUj Pef[b[`d R[Zv`b K XgkXUiUU mmmmmmmmmmmmmmmnmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmn QPstrJ op RsrwKLpqxo pRpxKwrJ pyxKqtzKsPrP LpoKoP pL czp czp Jp wPtPspL Nd[]^\`_Nd _N p^Z[^N M{[i{p{[b{[i{N\]vJd[N QN|][dN }]bpb_Nd


	
 



 	
  !"#$%&'()!*+,+--./0- 1234256476 82 689:;71546<=>? 	 @ABCDCEFGFHCE IJKLJMNLON PQROKOSNT UJ JUQKNVNW XXXXXXXXXXXXXXXV XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX YWLNZNQTN KWPSTJPJRMW [\] S^_`abb_^ S^_`acbbc_^ defg\ h\fhi hgfj\ kfe\ d\fdl dhfg[
UJRWP ^RNVNW UW KNLmW ROnJT YWLNOOoQpTN q^_`abb_^ Rmrh i\f[\ S^_`abb_^ Rmrd i[f[\ RIO e\fi\ st RI ekfd[ mLNMOuOKNVWJI K^v um r d um r h gch\\f\\ hcd\\f\\



 
 		

 

 
 	
 

 
 		

 

 
 	
 

 
 		

 	 




 

 
 		

 	 
	
 
 
 
	
 
   !" #$ %  & ' ( #)*+ ,,,-,., /0123'' 2'043'''2205'4'' 2250'67'' 89:; ;<;=;<==9;;;> ?@ AA B 250'47'' 240247'' C26054D'' 210443'' E FAE G #H+E