The central committee of the Likud party, on 8 December 2019, voted to cancel the  primary for its electoral list.
However, an internal Likud court ruled on 19 December that it was unconstitutional, as the Likud constitution would have to be amended if primaries were cancelled.
The central committee approved, on 12 December, the holding of a leadership primary for the party on 26 December, in which Netanyahu defeated his challenger, Gideon Sa'ar.
The Likud court, on 23 December 2019, overturned the decision to hold a primary for the Knesset slate.
Likud filed its list on 16 January.

Yair Lapid of the Blue and White alliance (פה‎) indicated that he would abandon a previous agreement to rotate the premiership with Benny Gantz if another election takes place, meaning that only Gantz would be the Blue and White candidate for prime minister.
The party submitted its list on 15 January.

Joint List (ודעם‎)
Labor–Gesher–Meretz (אמת‎): Labor and Gesher announced on 15 December that they would stay together for the March election.
Labor announced on 15 December that Amir Peretz would remain head of the party.
Both of the decisions were ratified by the Labor Central Committee on 25 December, in addition to allowing Peretz to select two candidates for the first ten slots on the list, which would move down other candidates.
The Meretz party decided on 16 December against holding a leadership primary.
The party held a vote on 22 December and decided against holding a primary for the Knesset list (instead keeping the same slate of candidates as the previous election) and also confirmed Nitzan Horowitz as leader of the party.
The Democratic Union initially announced on 7 January 2020 that it would run in the elections.
On 7 January 2020, Peretz proposed the creation of a centre-left political alliance between his party, the Blue and White party, and the Democratic Union.
On 8 January, Gantz ruled out uniting with any party and suggested that Labor-Gesher merge with the Democratic Union.
On 12 January, Labor announced that it was negotiating a joint list with Meretz to prevent the possibility of either party not making the electoral threshold and not entering the Knesset.
Labor and Meretz announced a joint run on 13 January 2020, with the Labor party central committee voting in favor of ratification of the alliance the following day.
Meretz approved the alliance on 14 January.
The alliance submitted its list on 15 January.

Shas (שס‎)
Yisrael Beiteinu (ל‎)
United Torah Judaism(ג‎)
Yamina (טב‎): The Jewish Home and Otzma Yehudit announced on 20 December that they would run on a joint list (later named the United Jewish Home) and had called on Tkuma to join them.
However, Jewish Home leader Rafi Peretz faced backlash on 21 December from over 80 officials of the party (including Jewish Home's "number 2", Moti Yogev) indicating that Peretz reached the deal with Otzma Yehudit unilaterally, and further warning that if the deal was not annulled, they would "convene" the central committee and announce party primaries. (
They claim Peretz was against open primaries as he supposedly was afraid of losing his leadership position).
They also sought a vote on the merger by the parties' central committee.
The merger was approved by the central committee on 13 January.
Ayelet Shaked announced on 19 December that she would remain a member of the New Right, running as the number two on the party's list.
A joint run between itself and Tkuma was announced on 14 January, following a collapse in negotiations between Tkuma and The Jewish Home.
One apparent cause for the collapse was the cancellation of the vote to approve the merger between Tkuma and Jewish Home.
The Jewish Home MK Moti Yogev, Shaked, New Right head Naftali Bennett and Tkuma head Bezalel Smotrich had all called on Peretz to join the New Right and Tkuma list.
Peretz had insisted that he would not abandon the agreement he signed with Otzma Yehudit, though he ultimately reneged on his promise and the Jewish Home, Tkuma and the New Right reformed the Yamina alliance.

The new Kol Hanashim Women's Part
The central committee of the Likud party, on 8 December 2019, voted to cancel the  primary for its electoral list. However, an internal Likud court ruled on 19 December that it was unconstitutional, as the Likud constitution would have to be amended if primaries were cancelled. The central committee approved, on 12 December, the holding of a leadership primary for the party on 26 December, in which Netanyahu defeated his challenger, Gideon Sa'ar. The Likud court, on 23 December 2019, overturned the decision to hold a primary for the Knesset slate. Likud filed its list on 16 January.
Yair Lapid of the Blue and White alliance (פה‎) indicated that he would abandon a previous agreement to rotate the premiership with Benny Gantz if another election takes place, meaning that only Gantz would be the Blue and White candidate for prime minister. The party submitted its list on 15 January.
Joint List (ודעם‎)
Labor–Gesher–Meretz (אמת‎): Labor and Gesher announced on 15 December that they would stay together for the March election. Labor announced on 15 December that Amir Peretz would remain head of the party. Both of the decisions were ratified by the Labor Central Committee on 25 December, in addition to allowing Peretz to select two candidates for the first ten slots on the list, which would move down other candidates. The Meretz party decided on 16 December against holding a leadership primary. The party held a vote on 22 December and decided against holding a primary for the Knesset list (instead keeping the same slate of candidates as the previous election) and also confirmed Nitzan Horowitz as leader of the party. The Democratic Union initially announced on 7 January 2020 that it would run in the elections. On 7 January 2020, Peretz proposed the creation of a centre-left political alliance between his party, the Blue and White party, and the Democratic Union. On 8 January, Gantz ruled out uniting with any party and suggested that Labor-Gesher merge with the Democratic Union. On 12 January, Labor announced that it was negotiating a joint list with Meretz to prevent the possibility of either party not making the electoral threshold and not entering the Knesset. Labor and Meretz announced a joint run on 13 January 2020, with the Labor party central committee voting in favor of ratification of the alliance the following day. Meretz approved the alliance on 14 January. The alliance submitted its list on 15 January.
Shas (שס‎)
Yisrael Beiteinu (ל‎)
United Torah Judaism(ג‎)
Yamina (טב‎): The Jewish Home and Otzma Yehudit announced on 20 December that they would run on a joint list (later named the United Jewish Home) and had called on Tkuma to join them. However, Jewish Home leader Rafi Peretz faced backlash on 21 December from over 80 officials of the party (including Jewish Home's "number 2", Moti Yogev) indicating that Peretz reached the deal with Otzma Yehudit unilaterally, and further warning that if the deal was not annulled, they would "convene" the central committee and announce party primaries. (They claim Peretz was against open primaries as he supposedly was afraid of losing his leadership position). They also sought a vote on the merger by the parties' central committee. The merger was approved by the central committee on 13 January. Ayelet Shaked announced on 19 December that she would remain a member of the New Right, running as the number two on the party's list. A joint run between itself and Tkuma was announced on 14 January, following a collapse in negotiations between Tkuma and The Jewish Home. One apparent cause for the collapse was the cancellation of the vote to approve the merger between Tkuma and Jewish Home. The Jewish Home MK Moti Yogev, Shaked, New Right head Naftali Bennett and Tkuma head Bezalel Smotrich had all called on Peretz to join the New Right and Tkuma list. Peretz had insisted that he would not abandon the agreement he signed with Otzma Yehudit, though he ultimately reneged on his promise and the Jewish Home, Tkuma and the New Right reformed the Yamina alliance.
The new Kol Hanashim Women's Part
2020 Israeli legislative election