When the correspondences between nucleotides and amino acids are different from the standard genetic code, how to describe CDS feature?

At first, please confirm whether The Genetic Code is appropriately selected or not.
Generally, if /transl_table qualifier is appropriately described with a number of the genetic code, the nucleotide sequence is automatically translated to amino acid sequence according to the genetic code.

In exceptional cases of specific codons (selenocysteine etc.) that is not followed the genetic codes, describe /transl_except qualifier, appropriately.

In cases of RNA editing, ribosomal frameshift or mitochondrial TAA stop codon, see Description Examples of Sequence Data and describe with either of qualifier(s), /exception and /translation, /ribosomal_slippage or /transl_except, respectively.

In case of rare initiation of translation, staring with an amino acid other than methionine, describe the location of CDS feature with starting from “<”, operatively indicating 5’end not complete.
And describe brief explanation about the translation mechanism in /note qualifier.