barcelona glass build overlook barcelona port empty desks computers wait new workers catalonia tax agency spanish regions agency already collect tax wealth inheritance gamble transport regional government spend 18 million euros expand agency hope gain independence madrid oct. vote spanish government consider illegal shiny port office 20 year lease hop wrestle control rest region finance claim billions euros income tax corporate revenue currently go spanish government catalonia increase agency staff 75 percent 700 since january plan fill empty desks end year vote go also open dozen new regional offices catalonia tangible investment institutional infrastructure need fledgling state highlight government determination secede say declare independence within 48 hours yes vote also show likely keep push independence even lose vote future transition would acceptable keep tax keep lot say catalan treasury secretary josep lluis salvado madrid declare vote unconstitutional widespread doubt whether catalonia even stage credible vote may also go catalonian government favor poll show less half catalonia 5.5 million voters want self-rule although want chance vote issue also clear company would pay barcelona business lobby say private firm would obey catalan tax demand unless approve madrid spanish government appear rattle wednesday police enter catalan economy budget department tax office part raid regional government offices seize document cut phone line accord department official late step madrid campaign prevent referendum go ahead raid police arrest salvado junior economy minister josep maria jove three department officials official say remain arrest official say catalonia resolve also worry investors spanish bond tax agency expansion suggest early post-independence flashpoint madrid could financial one catalonia economy large portugal say receive unfair redistribution tax revenues madrid year pay 10 billion euros 12 billion tax madrid get back around percent regional economic output accord data spanish treasury contrast spain poor region andalusia receive almost billion euros pay money issue one root problem feel catalonia rip say angel talavera catalan economist consultancy oxford economics agency take form taxation would also collect income company value-added tax bring total receipt 42 billion euros salvado say agency collect billion euros last year accord spokeswoman catalan economy budget department avoid financial collapse independent catalonia would need tax revenues economists say 75 billion euros public debt 35 percent economic output one high spain regions government bond already classify junk credit rat agencies investors grow nervous referendum near additional yield catalan bond pay spanish short-term debt close nine-month high 300 basis point catalan government last issue bond 2012 two years ahead previous fail independence referendum currently consider bond issue spokeswoman say upon declaration independence salvado say catalonia would seek open talk madrid take taxation phase would start october pocket 2.5 billion euros tax 700 public catalan firm currently go madrid late agency would collect tax private firm individuals could take years agency would need least another 4,000 employees salvado add principal challenge make sure taxpayer perceive change say spain treasury tell catalan businesses pay tax regional tax agency could constitute crime madrid also take legislative step last week prevent catalan government use spanish public fund pay ballot moment company view impossible consider jordi alberich director barcelona-based business association cercle economia tell reuters catalan government also lack database need correctly collect personal income company tax accord carlos cruzado head spanish treasury workers union salvado say agency sufficient data taxpayers inheritance wealth tax make start take form taxation would seek negotiate access spain historical tax record expect positive response spanish state go use prefer word new tax office catalonia hop grab billions madrid