POLITICAL CONSTITUTION OF COLOMBIA
TITLE II - CONCERNING RIGHTS, GUARANTEES, AND DUTIES
CHAPTER I -CONCERNING FUNDAMENTAL RIGHTS
Article 31. Any lawful conviction may be appealed or reviewed, but for exceptions provided by law.
When the accused is the sole appellant, the higher court may not impose a heavier
penalty.
Fair trial standards
Appeal against decision of acquittal or conviction or against sentence - national proceedings
Appeal against other decisions - national proceedings
EDIT.