diff --git a/src/DynareBison.yy b/src/DynareBison.yy
index 575686d628062995ac5676ec3d604d28c0d46149..97bbce298bec37040dfeefc0cf2d17009c2fbdd4 100644
--- a/src/DynareBison.yy
+++ b/src/DynareBison.yy
@@ -96,7 +96,8 @@ class ParsingDriver;
 %token LAPLACE LIK_ALGO LIK_INIT LINEAR LINEAR_DECOMPOSITION LOAD_IDENT_FILES LOAD_MH_FILE LOAD_RESULTS_AFTER_LOAD_MH LOAD_PARAMS_AND_STEADY_STATE LOGLINEAR LOGDATA LYAPUNOV LINEAR_APPROXIMATION
 %token LYAPUNOV_COMPLEX_THRESHOLD LYAPUNOV_FIXED_POINT_TOL LYAPUNOV_DOUBLING_TOL LOG_DEFLATOR LOG_TREND_VAR LOG_GROWTH_FACTOR
 %token MATCHED_MOMENTS MARKOWITZ MARGINAL_DENSITY MAX MAXIT
-%token MFS MH_CONF_SIG MH_DROP MH_INIT_SCALE MH_JSCALE MH_TUNE_JSCALE MH_TUNE_GUESS MH_MODE MH_NBLOCKS MH_REPLIC MH_RECOVER POSTERIOR_MAX_SUBSAMPLE_DRAWS MIN MINIMAL_SOLVING_PERIODS
+%token MFS MH_CONF_SIG MH_DROP MH_INIT_SCALE MH_JSCALE MH_TUNE_JSCALE MH_TUNE_GUESS MH_MODE MH_NBLOCKS MH_REPLIC MH_RECOVER MH_INITIALIZE_FROM_PREVIOUS_MCMC MH_INITIALIZE_FROM_PREVIOUS_MCMC_DIRECTORY MH_INITIALIZE_FROM_PREVIOUS_MCMC_RECORD MH_INITIALIZE_FROM_PREVIOUS_MCMC_PRIOR
+%token POSTERIOR_MAX_SUBSAMPLE_DRAWS MIN MINIMAL_SOLVING_PERIODS
 %token MODE_CHECK MODE_CHECK_NEIGHBOURHOOD_SIZE MODE_CHECK_SYMMETRIC_PLOTS MODE_CHECK_NUMBER_OF_POINTS MODE_COMPUTE MODE_FILE MODEL MODEL_COMPARISON MODEL_INFO MSHOCKS ABS SIGN
 %token MODEL_DIAGNOSTICS MODIFIEDHARMONICMEAN MOMENTS_VARENDO CONTEMPORANEOUS_CORRELATION DIFFUSE_FILTER SUB_DRAWS TAPER_STEPS GEWEKE_INTERVAL RAFTERY_LEWIS_QRS RAFTERY_LEWIS_DIAGNOSTICS MCMC_JUMPING_COVARIANCE MOMENT_CALIBRATION
 %token NUMBER_OF_PARTICLES RESAMPLING SYSTEMATIC GENERIC RESAMPLING_THRESHOLD RESAMPLING_METHOD KITAGAWA STRATIFIED SMOOTH
@@ -1950,6 +1951,10 @@ estimation_options : o_datafile
                    | o_constant
                    | o_noconstant
                    | o_mh_recover
+                   | o_mh_initialize_from_previous_mcmc
+                   | o_mh_initialize_from_previous_mcmc_directory
+                   | o_mh_initialize_from_previous_mcmc_record
+                   | o_mh_initialize_from_previous_mcmc_prior
                    | o_diffuse_filter
                    | o_plot_priors
                    | o_order
@@ -3349,6 +3354,10 @@ o_raftery_lewis_qrs : RAFTERY_LEWIS_QRS EQUAL vec_value { driver.option_num("con
 o_constant : CONSTANT { driver.option_num("noconstant", "false"); };
 o_noconstant : NOCONSTANT { driver.option_num("noconstant", "true"); };
 o_mh_recover : MH_RECOVER { driver.option_num("mh_recover", "true"); };
+o_mh_initialize_from_previous_mcmc : MH_INITIALIZE_FROM_PREVIOUS_MCMC { driver.option_num("mh_initialize_from_previous_mcmc.status", "true"); }
+o_mh_initialize_from_previous_mcmc_directory : MH_INITIALIZE_FROM_PREVIOUS_MCMC_DIRECTORY EQUAL filename { driver.option_str("mh_initialize_from_previous_mcmc.directory", $3); };
+o_mh_initialize_from_previous_mcmc_record : MH_INITIALIZE_FROM_PREVIOUS_MCMC_RECORD EQUAL filename { driver.option_str("mh_initialize_from_previous_mcmc.record", $3); };
+o_mh_initialize_from_previous_mcmc_prior : MH_INITIALIZE_FROM_PREVIOUS_MCMC_PRIOR EQUAL filename { driver.option_str("mh_initialize_from_previous_mcmc.prior", $3); };
 o_diffuse_filter: DIFFUSE_FILTER {driver.option_num("diffuse_filter", "true"); };
 o_plot_priors: PLOT_PRIORS EQUAL INT_NUMBER {driver.option_num("plot_priors", $3); };
 o_aim_solver: AIM_SOLVER {driver.option_num("aim_solver", "true"); };
diff --git a/src/DynareFlex.ll b/src/DynareFlex.ll
index b7113f79258d51ba860f2408950786dfb84530d7..8266d68b5b1e3593fe33f83dae54b6a80e4ab242 100644
--- a/src/DynareFlex.ll
+++ b/src/DynareFlex.ll
@@ -785,6 +785,10 @@ DATE -?[0-9]+([ya]|m([1-9]|1[0-2])|q[1-4])
 <DYNARE_STATEMENT>xls_range {return token::XLS_RANGE;}
 <DYNARE_STATEMENT>series {return token::SERIES;}
 <DYNARE_STATEMENT>mh_recover {return token::MH_RECOVER;}
+<DYNARE_STATEMENT>mh_initialize_from_previous_mcmc {return token::MH_INITIALIZE_FROM_PREVIOUS_MCMC;}
+<DYNARE_STATEMENT>mh_initialize_from_previous_mcmc_directory {return token::MH_INITIALIZE_FROM_PREVIOUS_MCMC_DIRECTORY;}
+<DYNARE_STATEMENT>mh_initialize_from_previous_mcmc_record {return token::MH_INITIALIZE_FROM_PREVIOUS_MCMC_RECORD;}
+<DYNARE_STATEMENT>mh_initialize_from_previous_mcmc_prior {return token::MH_INITIALIZE_FROM_PREVIOUS_MCMC_PRIOR;}
 <DYNARE_STATEMENT>planner_discount {return token::PLANNER_DISCOUNT;}
 <DYNARE_STATEMENT>planner_discount_latex_name {return token::PLANNER_DISCOUNT_LATEX_NAME;}
 <DYNARE_STATEMENT>calibration {return token::CALIBRATION;}