'Code' in the Bible

“How can you say, ‘We are wise,And the law of the Lord is with us [and we are learned in its language and teachings]’?Behold, [the truth is that] the lying pen of the scribesHas made the law into a lie [a mere code of ceremonial observances].

And will not the physically uncircumcised man who keeps the law judge you who, despite the written code and circumcision, transgress the law?

but someone is a Jew who is one inwardly, and circumcision is of the heart by the Spirit and not by the written code. This person's praise is not from people but from God.

But now we have been released from the law, because we have died to what controlled us, so that we may serve in the new life of the Spirit and not under the old written code.

He has qualified us [making us sufficient] as ministers of a new covenant [of salvation through Christ], not of the letter [of a written code] but of the Spirit; for the letter [of the Law] kills [by revealing sin and demanding obedience], but the Spirit gives life.

If, however, the service that proclaims death--its code being engraved in writing upon stones--came with glory, so that the children of Israel could not look steadily on the face of Moses because of the brightness of his face--a vanishing brightness;

On the one hand we have here the abrogation of an earlier code because it was weak and ineffective--