What are the kinds of obligation?

1.PuRe oBliGAtIon 2.cOnDItIonAl oBligAtiOn 3.oBliGatIon wItH a pErIod4.aLtErnAtiVe obLIgAtiOn 5.facultatIve oBliGatIon 6.jOiNt oBliGatIon7.sOlIdAry oBliGAtiOn 8.dIvIsiBle obLigAtion 9.inDiViSiBle oBLigAtion10.oBlIGatIOn wIth a pEnaL cODe