norma nº 21-A/1949

 
 	
 
 
        !"#$%
&'('

)*+,-./01 2/034.*, 56+37894.,: *, .34, ;4+<3=374.*, 1>43?* /1 +6@/04.*,A 241* ,4>/0 B1/ 4 )4@404 56+373948 490*C*+ / /6 ,4+73*+* 4 ,/D63+</ 8/3E F0<3D* -A GA ' HIJ <K/034.*,0/83D3*,*, /: 7*@* <4A3,:=/034.*, @6+37394A3,: *, ,/D63+</, .34, ,4+<3=374.*,: /6L4 D640.41: *>03D4<*034 9/8* 7*@/043*: 3+.6,<034: 0/940<81M/, 96>88/4, / ./@43, /+,
<3.4./, /@90/D4.*04,: ,N.34.4, +/,</ 5-F+37893*E - O F,//+18* .* ;/+P*0 GAGQJ.34, ./9*3, .4 R4,7*4S T G )*096, )03,<3 GAA-- .34, ./9*3, ./ R/+</7*,</,S UVWWW TX./ L6+P* 	 Y34 ./ M-ZAR/.0*/ [-Z R468*S \] T^./ L68P* _Y34 ./ ;4+<4+4 WWW R4.0*/304 .* 56+37393*S [WW-[./ 4D*,<* ` F,,6+18* ./ a*,,4 ;/+P*04S b_81 ./ +*C/@>0* cde Y3/A./ f*.*, *, ;4+<*,S g1M ./ ./h/@>0* GAA8@47684.4 )*+7/3D4*A F0<3D* TXM F 90/,/+</ 8/3 ./3?404 ./ ,/0 *>,/0C4.4: ./,./ B6/: B648O B6/0 .*, .34, 473@4 ./78404.*,: /*3+73.4 7*@ *, .4, =/3O 04, ./,<4 73.4+/: C.84 / 9*C*4.*,: 0/,9/7<3C*,A F0<3D* Ei< G F 90/,/+</ 8/3 /+<040j /@ C3D*0 +4 .4<4 .4 ,64 96>837418*: 0/C*D4.4, 4, .3,9*,3kM/, /@ 7*+<0403*A R0/=/3<604 56+373948 ./ )60043,a*C*,: /@ -g ./ 543* ./ -XjXA l	]mn oppqrs R0/=/3<4A 1A1 tuvwww xyzx x{| 204+73,7* }48.*@/0* )P47*+A ;/70/<403*A