As an Orthodox Jew, Mr. Lieberman strictly observes the Sabbath, from sundown on Fridays to sundown on Saturdays, which ostensibly prohibits working, riding in vehicles and other activities.
But he will make arrangements to test out of his classes and work from the Yahoo office in London, partly to abide by the company's new and much-debated policy that prohibits working from home.
While his religion ostensibly prohibits working, riding in vehicles and other activities during the Sabbath, Talmudic scholars say that exceptions are allowed for Jews to act to preserve human life or on behalf of the needs of the community.
He insisted that, otherwise, laws prohibiting work on the Sabbath made it impossible for Jews to be true citizens.
(This week Holot is being shut down, and people held there are to be issued temporary papers prohibiting work or residence in Tel Aviv, Jerusalem, and most other cities).
Technically, Shomer Shabbat refers to a person who traditionally observes the legal requirements of the Jewish Sabbath, which prohibit work on Saturday.
The state agency did, however, state that "Goldman, including the partner and the legal department, failed to take any steps to screen the associate from such prohibited work".
Mr. Lieberman, a deeply observant Jew, had tried to reassure voters during the campaign that he would bend religious laws prohibiting work on the Sabbath if the national interest was at stake.
The Talmudic rabbis listed 39 major categories of prohibited work, including agricultural activity (e.g., plowing and reaping), work entailed in the manufacture of cloth (e.g., spinning and weaving), work entailed in preparing documents (e.g., writing), and other forms of constructive work.
There is also the danger that Iran will fail to comply with parts of the agreement and undertake prohibited work.
