Currently the TAF will not Parse if it is marked with RTD.

RTD Means the report was delayed and should parse in the decoder.

Example TAF:
RTD EKEB 190416Z 1905/1912 13006KT 0200 FZFG BKN001 TEMPO 1905/1907 2000 BR BKN003 BECMG 1907/1909 9000 NSW FEW002 PROB40 1909/1911 0400 FZFG BKN002=