In The Unicode Standard, Multani script implementation is discussed in  Chapter 15 South and Central Asia-IV: Other Historic Scripts.

The Multani script was encoded in The Unicode Standard version 8.0. The script is encoded in the following block:

BlocksCharacter RangeAdded in Unicode VersionUnicode Chart
Multani 11280..112AF 8.0  U11280

A number of proposals for its inclusion have been submitted to the Unicode Technical Committee and WG2:

2010-02-09 A Roadmap for Scripts of the Landa Family — Anshuman Pandey ( WG2 N3766,  L2/10-011)

2010-02-09 Preliminary Proposal to Encode the Landa Script in ISO/IEC 10646 — Anshuman Pandey ( WG2 N3768,  L2/10-013)

2011-04-26 Preliminary Proposal to Encode the Multani Script in ISO/IEC 10646 — Anshuman Pandey ( WG2 N4027,  L2/11-124)

2012-09-25 Proposal to Encode the Multani Script in ISO/IEC 10646 — Anshuman Pandey ( WG2 N4159,  L2/12-316)