When in doubt call fax or e-mail your Grand Lodge that's what they are there for, they represent you so I'm sure they will give you their opinion freely. In our jurisdiction The Grand Lodge of Canada in the Province of Ontario the dress has been laid out for us by constitutional amendment several years ago, also keep in mind that tails are for Grand Lodge Officers Elected so the P C Jacket may not be suitable for lodge affairs.
Look to the east!! and don't be shy.