How do we complete a prayer when we join a congregation late?

If we catch the congregation in the second rakat

When we are late in joining a congregation, we complete the rakats that we missed af-ter the imam gives As-Salam. The rakats that we catch before the imam has risen from the bowing position (al-Ruku) are considered performed. We do not have to perform those rakats again. If we catch the congregation in the second rakat, we wait at the last sitting for the imam to recite Al-Tahiyyat and give Salam. After the Salam of the imam, we stand up and complete the rakat that we missed thus:

If we catch the congregation in the third rakat

When we join the congregation in the third rakat, after waiting for the imam to give Salam, we complete the first two rakats that we missed thus:

If we catch the congregation in the fourth rakat

If we join the congregation in the third rakat, after waiting for the imam to give Salam, we complete the first three rakats that we have missed thus:

If we catch the congregation in the third rakat

When we join the congregation in the third rakat of the Sunset Prayer (Salah al-Maghrib), we stand up after the others give Salam and complete the first two rakats that we have missed thus:

Note: If we reach the congregation af-ter the bowing (al-Ruku) of the last rakat of the prayer, we wait until the imam gives As-Salam and stand up to perform all the rakats of the prayer by ourselves.