Read the following descriptions about language interpreter and translator code of professional conduct (Source: http://www.dshs.wa.gov/ltc/ethics.shtml).

I) Interpreters/translators shall accurately and completely represent their certifications, training, and experience.

II) Interpreters/translators shall disclose any real or perceived conflict of interest which would affect their objectivity in the delivery of service.

III) Interpreters/translators shall always thoroughly and faithfully render the source language message, omitting or adding nothing, giving consideration to linguistic variations in both source and target languages, conserving the tone and spirit of the source language message.

Based on the descriptions above, one can infer that they refer to: