diff --git a/matlab/ms-sbvar/identification/exclusions.m b/matlab/ms-sbvar/identification/exclusions.m
index 4f040a2133c7308573ac4683ee685e04646b83d9..9632356fe2e3f8ce02060999b8a7d6d628facf93 100644
--- a/matlab/ms-sbvar/identification/exclusions.m
+++ b/matlab/ms-sbvar/identification/exclusions.m
@@ -1,4 +1,37 @@
 function [Ui,Vi,n0,np,ixmC0Pres] = exclusions(nvar,nexo,options_ms)
+% function [Ui,Vi,n0,np,ixmC0Pres] = exclusions(nvar,nexo,options_ms)
+%
+% INPUTS
+%    nvar:                      number endogenous variables
+%    nexo:                      number exogenous variables
+%    options_ms:    (struct)    options
+%
+% OUTPUTS
+%    Ui
+%    Vi
+%    n0
+%    np
+%    ixmC0Pres
+%
+% SPECIAL REQUIREMENTS
+%    none
+
+% Copyright (C) 2011 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
 indxC0Pres = options_ms.cross_restrictions;
 nlags = options_ms.nlags;
diff --git a/matlab/ms-sbvar/identification/lower_cholesky.m b/matlab/ms-sbvar/identification/lower_cholesky.m
index ebd95eaa144c477cb446711eb3c604485585ea21..2af96ca9b7b732011d0f2831eb02470293262c6e 100644
--- a/matlab/ms-sbvar/identification/lower_cholesky.m
+++ b/matlab/ms-sbvar/identification/lower_cholesky.m
@@ -1,4 +1,37 @@
 function [Ui,Vi,n0,np,ixmC0Pres] = lower_cholesky(nvar,nexo,options_ms)
+% function [Ui,Vi,n0,np,ixmC0Pres] = lower_cholesky(nvar,nexo,options_ms)
+%
+% INPUTS
+%    nvar:                      number endogenous variables
+%    nexo:                      number exogenous variables
+%    options_ms:    (struct)    options
+%
+% OUTPUTS
+%    Ui
+%    Vi
+%    n0
+%    np
+%    ixmC0Pres
+%
+% SPECIAL REQUIREMENTS
+%    none
+
+% Copyright (C) 2011 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
 lags = options_ms.nlags;
 indxC0Pres = options_ms.cross_restrictions;
diff --git a/matlab/ms-sbvar/identification/upper_cholesky.m b/matlab/ms-sbvar/identification/upper_cholesky.m
index 03e269cd7d4b426a17799309899596444e732db4..7f4d2027c56b854b64fe1e8274eeb1170a65fa99 100644
--- a/matlab/ms-sbvar/identification/upper_cholesky.m
+++ b/matlab/ms-sbvar/identification/upper_cholesky.m
@@ -1,4 +1,37 @@
 function [Ui,Vi,n0,np,ixmC0Pres] = upper_cholesky(nvar,nexo,options_ms)
+% function [Ui,Vi,n0,np,ixmC0Pres] = upper_cholesky(nvar,nexo,options_ms)
+%
+% INPUTS
+%    nvar:                      number endogenous variables
+%    nexo:                      number exogenous variables
+%    options_ms:    (struct)    options
+%
+% OUTPUTS
+%    Ui
+%    Vi
+%    n0
+%    np
+%    ixmC0Pres
+%
+% SPECIAL REQUIREMENTS
+%    none
+
+% Copyright (C) 2011 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% Dynare is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with Dynare.  If not, see <http://www.gnu.org/licenses/>.
 
 lags = options_ms.nlags;
 indxC0Pres = options_ms.cross_restrictions;