Primacy of Conscience
Gaudium et Spes #16
Dignitatis Humanae #2
Catechism of the Catholic Church #1782, #1783, #1784, #1790

Community---rights of participation
Canons #213, #214

Freedom of Expression
Canons #212.2, #212.3, #907,

Governance & Participation
Canons #208, #214, #216
Lumen Gentium #12

Councils---Every Catholic has the right to convene and speak in assemblies where divese voices can be heard.
Canons #215, #216

Rights of the parishioners as a corporate body 
Canons #519, #529.2, #536, #537
Parishioners have the right to appeal to the Apostolic Signatura
Canons #221.1, #1491
If the bishop will  not respond, the people can appeal to the Congregation for the Clergy in Rome