norma nº 856/1979

   	  	 
 
	
 
 	
   !"#$%&'()$*+,-(-.+, /012034254 60768595:3241;<4= >? @ABCDAEAF ? G?HG IE?JD?GK LAMA A LAMDCNCLAEAF >F OHJCNCLCF JF PMFQ?DF RSTIK A FU?M?N?M EAMAJDCAG LAMA ?OLM?V DCOFG AGGHOC>FG ? >A FHDMAG LMFWC>?X NCAGY ZAEF GAB?M [H? A RAOAMA \\]HJCNCLA^ALMFWFH ? ?H GAJNCFJF A G?EHCJD? _?C`IMDY ^a b ZCNA cRd?U? >F ef?NHDCWF AHDFMCgA >F A AGGHOCM DF>FG FG NFOLMFOCGGFG J?N?GGAMCFG ALAMDCNCLAEAF >F OHJC NCLCF JF PMFQ?DF RSTI b RFOHJC>A>? SMBAJA LAMA T?NHL?MAEAF IN?^?MA>AY >FG NFO FG ?OLM?GDCOFGK EAMAJDCAG ? FBMCEAEF?G >F OHJCNCLCF IMDY aa b hG NFJDMADFG ? NFJW?JCFG M?^ANCFJA >? [H?(
DMADA ?GDA _?CK B?O NFOF G?HG A>CDCWFGK G?MAF UCMOA>FG L?^F Rd?U? >F ef?NHDCWF FH L?^A ?JDC>A>? FH AHDFMC>A>? [H? ?GD? >?GCEJAMK >? ADF A>OCJCGDMADCWF LMFLMCFY IMDY ja b kHAJ>F cef?NHDCWF JAF >?G?QAM FH i
JAF LH>?M ADHAM NFOF LMFOFDFM >F PMFQ?DF AHTIK LF>?MA NM?>?JNCAM FH NFJDMADAM ?OLM?GAG LSB^CNAG FH LMCWA>AGK >?WC>AO?JD? dABC^CDA>AGK LV MA UHJNCFJAM?O NFOF IE?JD?G PMFOFDFM?G RFFM>?JA>FM?G >FG DFGY O?GOFG LMFQV lm

   	
 	  	 
 
    !"#$#%&'() *)%$+,-./01)23456)1#789:5:;89 +#<#/0 (#=(%010./ 77) >?@A BC5 DEFG 4HIJFK@ELM GK@M?ENGOM G FMP @?GE?Q FMR STGPFM UGFEMPGV OJ WGXE@GYGM ZTUW[ JR\?J]@ERM] G@J S RMG @GP@J OJ ^_`Aaaa ZbKNJP@M] J FEPcKJP@G J dKR REV ]J@JFJP@M] J ]J@JP@G J ]J@J[ eDf] OM TUWQ \G?G G\VEFGYGM JR \?MY?GRG] J \?MgJ@M]QG\?MLGOM] \JVM RJ]RMQ cKJ G@JPOGR G] hEPGVEOGOJ] OM \?MgJ@M fei>A >?@A _^ j S \?GNM \G?G G GRM?@ENGYGM OM] \?J]@ERM] OJ cKJ @?G@G SG?@EYM GP@J?EM? J OJ C4 Z@OP@J[ GPM]Q FMP@G OM G \G?@E? OJ `kl^A >?@A m^ j >] M\J?GYMJ] OJ F?JOE@M \?JLE]@G] n AB PJ]@G oJE ]J?GM FMP@?G@GOM] OJ GFM?OM FMR G FG\GFEOGOJ OJ \GYGRJP@M OM RKPEFE\EMQ hEFGPOM SHIJFK@ELM GK@M?ENGOM G ?JGVENGjVG]Q RJOEGP@J G YG?GP@EG OJ cKGVcKJ? E@JR OJ ]KG ?JFJE@GQ OJ]OJ cKJ VJYGVRJP@J LGVp OGA qG?GY?GhM rPEFM j qG?G JhJ@ELGYGM OG YG?GP@EG OJ cKJ @?G@G SFG\K@ OJ]@J G?@EYMQ SHIJFK@ELM hEFG GK@M?ENGOM G MK @M?YG? GM Tii MK G ]JK] >YJP@J]Q G@?GYJ] OJ RGPOG@MQ PM] \?M\?EM] EP] @?KRJP@M] FMP@?G@KGE]Q M] \MOJ?J] XG]@GP@J \G?G cKJ G] YG?GP@EG] \Mr s s t
 
]GR ]J? \?MP GRJPjJ JIJcKrLJ`] PM FG]M OJ EPGOER\VJPFEGA >?@A a^jS M?YGRJP@M OM RKPEFE\EM FMP]EYPG?r \G?G FGOG JIJ?FEFEMQ OM@GYMJ] ]KhEFEJP@J] GM \GYGRJP@M OM \?EPFE\GV Q gK?M]Q FM??JrGM RMPJ@G?EGQ FMRE]]MJ] J JPFG?YM] hEPGPFJE? 52 j M] OJ?ELGOM] OG] M\J?GYMJr OJ F?JOE@M \?MY?GRGOG] J ?JGVENGOG] JR FMP]MPGPFEG FMR \?J]JP@J oJEA qG?GY?GhM rPEFM j qG?G JhJ@ELGYGM OG YG?GP@EGu
EPEFEGV OJFM??JP@J OG] MX?EYGYMJ] OJ cKJ @?G@G J]@J G?@EYMQ hEFG S
HIJFK@ELM GK@M?ENGOM G VErJ?G? G M?YGM] J]\JFEGVENGOM] OG >OREPE]@?Gj YGM OE?J@G MK EPOE?J@GQ M] ?JFK?]M] YVMXGE] cKJ ]J RM]@?G?JR PJFJ]]E ?EM] GM FKR\?ERJP@M OM OE]\M]@M PM FG\K@ OJ]@J G?@EYvr


	


 
  ! "#$%#&'%(' )#*)+(,(-&%'$./'0 1234 56 7 89:; <=>9?9<; ?=@3; A=9 ; ;2=; BCD17 EFAGHGI JK= L=23=?:=?<M ; @=<= NK?9:9L;OI 
:M?@393KP<; L=PQ@ @=RKS 3=@ P9N93=@T UM23= 7 V @=RN=?3M@T WWQ NI XYQ N = Z[Q N :MN \;29; E=
2=92; <= 12;K4]M^_KO 7 5 @=RN=?3M@T PZP N = PP5 N :MN ; DK; _;?3M 41; 3M?9MI PWV N :MN ; DK; B;L4 O9FM2`;Oa;MI PZY N :MN ; ER;4 B29@3M D=9I Zb N :MN ; ER;4 c=@4 HMN;d _;OK@39?MI bPX N :MN ; DK; eM;M E=@@M; I
bWP = Z5X N :MN ; 1a4 fgh _9Oa9M i=d=22;^ G=@3= 7 PQ @=RN=?3M@T bQY N DjM<= `;Oa;M _j=ON;?I ZWZ N = PbQ N :MN cUGB_I [Q5 N = bPV N :MN eM@= G3jM? <= 12;K4]MIPbY N :MN 1N;<=K k=?;?:9M c;?3;@I P[P N = bYZ :MN Q
:M?]K?3M j;a93;:9M?;O <M FUGBGGEI bPV N :MN AK9d <= 82;?R; U=3M = [5Q N :MN BMO=R9M 1R29:MO;^ A=@3= 7 [WZ N :MN D9M BK22;9@ UMaM@4 1234 Yb 7l@3; A=9 =?32;2; =N a9RM2 ?; <;3; <= @K; LCmO9:;R;MI 2=aMR;<;@ ;@ <9@LM@9RM=@ =N :M?32;29M4 nopqornnsnn `SD1AcG tuvwxyuz cl GAFklFD1 7 4=>=93 7