addons/account_budget_crossover/security/ir.model.access.csv

   1 id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
   2 access_crossovered_budget,crossovered.budget,model_crossovered_budget,account.group_account_manager,1,1,1,1
   3 access_crossovered_budget_lines,crossovered.budget.lines,model_crossovered_budget_lines,account.group_account_manager,1,1,1,1