DEC 2.209 DE 18/04/1997: ALTERA ART. 7 (AUMENTO DE CAPITAL)
DEC 2.471 DE 26/01/1998: ALTERA ARTS. 4, 5, 8, 11, 14, 25, 30.
DEC 3.987 DE 29/10/2001: ALTERA O CAPUT DO ART. 7º
DEC 7.322, DE 30/09/2010: ALTERA O CAPUT DO ART. 7º
DEC 7.954, DE 12/03/2013: ALTERA ARTS. 1º, 4. 11, 14, 15, 29, 22, 24, 25 E 32; ACRESCE ARTS. 14-A, 14-B, 14-C E 29-A