TAMA 38
In short
TAMA 38 was a national "deal": a developer reinforces or demolishes and rebuilds an old building and receives extra floors to sell. The plan has ended, but most cities now have a local plan continuing the idea on their own terms.
The professional explanation
The plan was approved in 2005 and applied to buildings permitted before 1980. Tracks: TAMA 38/1 (reinforce and extend) and TAMA 38/2 (demolish and rebuild). The National Council decided to end it, with transition periods for applications already filed.
The alternatives: local renewal outline plans (for example the "Shaked alternative" plans and dedicated municipal plans) setting rights by location and infrastructure rather than uniformly nationwide.
For apartment owners in older Sharon buildings: check with the municipality which plan now applies to the building and its thresholds (number of apartments, plot size, infrastructure).
Example from the field
A Kfar Saba building that filed a TAMA 38/2 application before expiry continued the process; a neighbouring building that was late had to proceed under the municipal alternative plan, on different terms.