Tāmen qùnián jiù lǐngzhèng le, jīnnián cái bàn hūnlǐ.
They registered last year and are only now holding the wedding.
Tips
usage
In practice 领证 almost always means getting the red 结婚证 (marriage certificate). The wedding banquet (婚礼) is a separate social event - many couples 领证 quietly and hold the ceremony months later.