Compared to the assessment of the 2003 study, greater divergence in transposition and actual application was identified. As the Directive was concluded in the early 1990s it was not foreseeable what the consequences of the 2004 enlargement would be, with a high proportion of these states not offering commitment to collective bargaining as a means of labour standards regulation. A second development has been the extension and intensification of agency work, subcontracting and outsourcing in numerous labour market segments. Both developments have had a serious impact on how posting is actually organised in practice. Nowadays the use of the posting mechanism ranges from normal and decent long-established partnership between contracting partners to completely fake letterbox practices of labour-only recruitment. In the 2011 CLR-report, four applications of posting-related cross-border recruitment were distinguished.
- Normal posting
with specialised subcontractors providing temporary services in another EU Member State with well-paid skilled workers or qualified staff both belonging to the posting companies’ core workforce.
- Legal posting
in the form of labour-only subcontracting where the calculation is made between engaging a domestic workforce or bringing in a workforce from abroad under the ‘free provision of services banner’. The reasoning followed is that a supplier providing workers from a country with low social security payments is cheaper than a domestic supplier. The legal character of the posting can be questioned if this is combined with long working hours and poor living and working conditions.
- Questionable practices of ‘legal’ posting
where the recruited workforce that is legally posted is confronted with deductions for administrative costs, for lodging and transport, tax deductions and the obligatory refunding (after the return back home) of (minimum) wage payments. These practices are clearly in breach of the PWD.
- Finally, different types of "fake" posting :
which varies from the copying and distribution over a whole work gang of falsified E 101/A1 forms; the recruitment of posted workers who were already in the host country, or workers turned into bogus self-employed; recruitment via letterbox companies and unverifiable invoices for the provision of services.
The use of posting in labour-intensive segments of the labour market does not necessarily lead to a deterioration of working conditions, but it has created an opening for new forms of recruitment not intended by the legislators. The problem arises as soon as cross-border labour-only subcontracting is presented as a provision of services. This is especially the case when companies transfer the recruitment of labour to small subcontractors, leading to the use of agencies, gang masters and other intermediaries. These agencies become the go-between for the worker and the user undertaking or the specialised subcontractor. Distortion of the labour market is potentially substantial as minimising labour costs may be very attractive by bringing in an undocumented element for part of the official work. The lower stratum of posting is then an illegal supply of cheap labour via agents or gang masters. Groups of workers are recruited via letter box companies, advertising and informal networking. Posting thus becomes one of the channels for the cross-border provision of cheap labour in the single market without reference to the free movement of workers and the rights that can be derived from the EU law related to genuine labour migration.
Based on the CLR-research it can be concluded that monitoring of posting rules is difficult and hampered by the ECJ limitations, enforcement lacks strong sanctioning, fines are weak in an extra-territorial context and in most countries there are no specific posting-related enforcement instruments. Examining the phenomenon in detail leads to the conclusion that a concentration of posted workers in the lower echelons of the labour markets and in specific regions, segments and sectors implies serious risks (distortion of competition, erosion of workers’ rights and evasion of mandatory rules). Employment conditions, wages in particular, offered to posted workers, if not subject to proper monitoring and enforce¬ment, may undercut the minimum conditions established by law or negotiated under generally applicable collective agreements.
There is some evidence that the ending of transition rules on labour market access for EU8 citizens has led to a significant substitution of letterbox postings, by individual direct temporary agency recruitment. Since they no longer need a work permit, workers are coming in through more direct forms of work, such as temporary or self-employed workers. Thus, next to the (ab)use of posting rules also cross-border agency work and the provision of services by (so-called) self-employed can function as methods to circumvent the rights based labour migration. In these cases the posting rules have been used as a transitional method and channel of recruiting temporary workers from EU8 countries by circumventing the applicable labour market restrictions with an invisible workforce on site that is settled through an invoice of the service supplier to the main contractor or the client. The EC has admitted that if such diver¬gence takes place on a large scale, this might undermine the organisation and functioning of local labour markets.