BLACKROCK MUNICIPAL SERIES TRUST
COMPANY
485BPOS
FORM
2026-09-23
FILING DATE
2026-05-31
PERIOD END
348
FACTS
SIC None
CIK 0000799113
Taxonomy US GAAP 2025  
SIC None
CIK 0000799113
Taxonomy US GAAP 2025  
Standard Concepts
86
Extended Concepts
26
23%
Extended Concepts
Errors
0
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
Possible Issues
1
WARNING
30 fact(s) appearing in ix:hidden were eligible for transformation: oef:AnnlRtrPct
What are possible issues?
What are possible issues?
Indicate areas of interest as to the quality of an XBRL formatted filing, and in some cases reveal opportunities for improvement of the XBRL filing.
SEC: Filing | Interactive Data