The Commons is looking at Lords amendments to the Digital Economy Bill.
MSPs take evidence from witnesses including FSB and the Scottish Retail Consortium on non-domestic rates.
The European Parliament gives final approval to an EU visa waiver for Ukrainians, due to come into effect in June.
AMs quiz the environment and communities secretaries. There are debates on the 'fourth industrial revolution', the construction industry and local government.
Conservative MP Andrew Tyrie - who has announced he is quitting Parliament - dramatised the increased importance of the Commons select committee system.