MIRO doucment types

Hai All,

Have requirement.

in MIRO currently I2 document type is defaulted for 1000 plant.

we r going live for another plant 2000, the doucment type for 2000 plant is I2.can this document type be changed during run time/ data entry time from I1 to I2. If yes pl. give the transaction code for the same.

In OMR4 we can default the document type to MIRO.

any abap program is involved then pl.give the steps.

the requirement is urgent.

thanks in advance.

regards

sriram