In the closing years of his life, he strengthened his kingdom by giving it a written legal code, the Lex Salica, and by convening a church council in Orléans to define relations between Church and State.
Elu lõpuaastatel tugevdas ta oma kuningriiki: andis välja seaduste kogu, mida nimetatakse saali õiguseks (lex Salica), ning kutsus kokku Orléans’i kirikukogu, et piiritleda kiriku ja riigi vahelisi suhteid.